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Biology

Lab equipment in background with illustration of DNA strand, question marks, and an arrow pointing to the horn on a unicorn. Caption: We'd want to know what parts of the genome make the horn.
#askMIT
Episode 2
2 minutes 46 seconds
Grade Level: 9 - 12
Lab equipment in background with illustration of connected neurons. Caption: glia activate and help fix the neurons
#askMIT
Episode 1
2 minutes 56 seconds
Grade Level: 8 - 12
Night shot of a bug-eyed creature with mangy brown and white fur grasping a branch with long claws.
4 Awesome Discoveries You Probably Didn't Hear About This Week
Episode 36
2 minutes 24 seconds
Grade Level: 10 - 12
A caterpillar curled in a circle, mostly encased in a protective covering. Caption: Then the caterpillar goes to sleep.
24 minutes 25 seconds
Grade Level: 4 - 8
Green foliage with a pink flower overlooks the shoreline. Spanish captions.
15 minutes 8 seconds
Grade Level: 3 - 5
Closeup of a bright orange and blue tropical flower. Spanish captions.
14 minutes 29 seconds
Grade Level: 3 - 5
A seal swimming underwater near the ocean floor. Caption: still remain to satisfy diurnal scavengers
The Living Oceans Series
Episode 1
21 minutes 3 seconds
Grade Level: 5 - 10
A warthog with long tusks curving towards its body and leathery skin covered in mud. Caption: we can see that each has a beauty all its own.
Nature
Season 26 / Ep 4
30 minutes 42 seconds
Grade Level: 7 - 12
Person driving a large piece of industrial farm equipment. Caption: towards managing agricultural systems
6 minutes 27 seconds
Grade Level: 7 - 12
Still image from: Algae
9 minutes 2 seconds
Grade Level: 3 - 6
Still image from: All About Insects
5 minutes 6 seconds
Grade Level: 4 - 8
Still image from: All About Trees
10 minutes 18 seconds
Grade Level: 3 - 6
Still image from: Amazing Honeybee Body Parts!
4 minutes 3 seconds
Grade Level: 4 - 8
Large tent with open sides covering people seated and standing around tables holding gear and other items. Two people carefully placing bones in the outline of a body. Caption: for what early bipeds looked like.
4 minutes 53 seconds
Grade Level: 7 - 12
Still image from: Amphibians!
9 minutes 2 seconds
Grade Level: 3 - 6
Still image from: Animal Adaptations
8 minutes 30 seconds
Grade Level: 3 - 6
Still image from: Animal Behaviors
8 minutes 38 seconds
Grade Level: 4 - 8
Still image from: Animal Camouflage
9 minutes 19 seconds
Grade Level: 4 - 8
Still image from: Animal Classification
9 minutes 8 seconds
Grade Level: 3 - 6
An orange fish with yellow fins swimming up from the ocean floor from between rocks toward the viewer. Caption: in the environment they inhabit.
22 minutes 59 seconds
Grade Level: 5 - 12
A bird with yellow breast, brown wing, and white and black striped head with a bug in its mouth. Spanish captions.
23 minutes 29 seconds
Grade Level: 5 - 12
A man and a woman sitting on the ground with tools beside them. Caption: We have part of a leg bone, the shin.
10 minutes
Grade Level: 10 - 12
Still image from: Arachnids: Tarantulas
3 minutes 9 seconds
Grade Level: 4 - 8
Double helix of DNA with two protein strands highlighted. One strand shows proteins A and T. The other strand shows C and G. Caption "methylation". Caption: attach to a gene and block access to it,
14 minutes 13 seconds
Grade Level: 11 - 12
Person standing in a colorful room with cacti in pots all around the walls. Spanish captions.
Art and More (Spanish)
Episode 23
9 minutes 26 seconds
Grade Level: K - 5
Illustration of a man with gray hair and his ears circled dismayed at a broken object on the floor. Spanish captions.
Art and More (Spanish)
Episode 35
9 minutes 2 seconds
Grade Level: K - 5
Two people in a colorful room with cacti in pots all around the walls. Spanish captions. One is playing an instrument.
Art and More (Spanish)
Episode 38
9 minutes 35 seconds
Grade Level: K - 5
Crab in the water. Caption: They also have a hard, external skeleton
10 minutes 14 seconds
Grade Level: 6 - 9
Coral reef with fish swimming in the vivid blue water above and two snorkelers at the water's surface. Caption: it has a lot of fish, it has less algae,
Ask a Scientist About
Episode 2
8 minutes 29 seconds
Grade Level: 5 - 8
Body of water with plants floating on the surface near the shore, trees right up to the water's edge in the background. Spanish Captions.
Ask a Scientist About
Episode 5
9 minutes 4 seconds
Grade Level: 5 - 8
Person sitting in front of a bookcase with books on various scientific subject. Caption: Microbes come in a huge variety of shapes--
Ask a Scientist About
Episode 3
4 minutes 44 seconds
Grade Level: 5 - 8
Man, with glasses in a suit jacket and button up shirt. Caption: the system may thrive again when it's reintroduced.
Ask a Scientist
Episode 13
42 seconds
Grade Level: 7 - 12
illustration depicts a close knitted structure of the nerves. Caption: are now hardwired in because we use them so often.
Ask a Scientist
Episode 14
1 minutes 51 seconds
Grade Level: 7 - 12
Dark background with a small central ball of light surrounded by four irregularly placed orbiting streaks of light. Caption: And Rutherford now also knew that the atom had structure,
Atom
Season 0 / Ep 2
50 minutes 15 seconds
Grade Level: 9 - 12
Close up of a cockroach head and body. Caption: A bunch of 'em -- American cockroaches.
Backyard Bugs & Other Arthropods
Episode 2
11 minutes 40 seconds
Grade Level: 5 - 8
Hand holding a magnifying glass pointing to something on the ground. Caption: Do you see it?
Backyard Bugs & Other Arthropods
Episode 1
13 minutes 40 seconds
Grade Level: 5 - 8
Spider with long narrow legs and a small narrow body at the center of a delicate spider web. Caption: Spiders are arachnids.
Backyard Bugs & Other Arthropods
Episode 3
14 minutes 44 seconds
Grade Level: 5 - 8
Illustration of a cell with activity inside. Caption: It changes the function of the cell
Holiday Lectures On Science
Season 2004 / Ep 3
58 minutes 28 seconds
Grade Level: 11 - 12
Still image from: Bess Beetles Do What?
3 minutes 3 seconds
Grade Level: 2 - 5
Adult man and woman with a child between them. The man and the woman are each contributing one chromosome to the child. Caption: half from your mother and half from your father.
23 minutes 3 seconds
Grade Level: 10 - 12
Man standing next to leafy plants. The soil has been cut away so that the root structure is visible. Caption: It's a cycle, and it's driven by energy from the sun.
Bill Nye The Science Guy
Season 2 / Ep 15
23 minutes 19 seconds
Grade Level: 3 - 6
Four mammals, one with short, curved horns, grazing on grass. Spanish captions.
11 minutes 35 seconds
Grade Level: K - 3
One central atom with two smaller atoms each attached to an electron on the outer ring of the central atom. Caption: covalently bonded to one oxygen atom,
Biology
Episode 1
40 minutes 43 seconds
Grade Level: 10 - 12
Illustration of a cell split in two that appears to be ready to eat something. Caption: T-Cells produce proteins that turn ordinary macrophages into killers
Biology
Episode 6
34 minutes 58 seconds
Grade Level: 10 - 12
Metaphase. Diagram of two structures on opposite sides of a cell. Each structure has one blue chromosome and one red chromosome. Caption: of the chromatids, the chromosomes now line up
Biology
Episode 2
41 minutes 25 seconds
Grade Level: 10 - 12
Double helix strand of DNA with protein pairs on each step. For example, AT and CG. For each pair, one letter is smaller than the other. Caption: one large, and one small--
Biology
Episode 3
37 minutes 40 seconds
Grade Level: 10 - 12
A person speaking. Illustration of a lion and a flying insect. Natural Selection. Caption: says that those individuals with beneficial traits,
Biology
Episode 4
33 minutes 32 seconds
Grade Level: 10 - 12
The skull of an animal with long, sharp teeth. Caption: And those teeth are incredibly strong.
3 minutes 54 seconds
Grade Level: 5 - 8
Still image from: Bones
7 minutes 23 seconds
Grade Level: 3 - 6
Microscopic view of a transparent tube-shaped organism. Caption: an energy reserve the cell can draw on
Branches On The Tree of Life
Episode 3
20 minutes 4 seconds
Grade Level: 8 - 12
Closeup of tongs picking up a small piece of mold off bread contained in a glass jar. Caption: I'll take some bread mold and let it work.
3 minutes 2 seconds
Grade Level: 7 - 12
Two trucks unload garbage. Caption: Male, we're standing on about 12 meters of garbage.
Break It Down
Episode 3
22 minutes 35 seconds
Grade Level: 7 - 12
A white cow with brown spots on its head in a grassy field. Caption: began about 8,000 years ago in three separate locations.
Nature
Season 22 / Ep 11
27 minutes 52 seconds
Grade Level: 7 - 12
Still image from: Bug Superpowers!
3 minutes 52 seconds
Grade Level: 2 - 5
Still image from: Bugs of the Caves!
5 minutes
Grade Level: 4 - 8
Still image from: Bugs!
9 minutes 56 seconds
Grade Level: 4 - 8
A man in a white lab coat looking into a microscope. Caption: Examination back in the lab can confirm the species of fern.
44 minutes 44 seconds
Grade Level: 9 - 12
Diagram showing two pairs of dogs resulting in two dogs, each with shorter legs. Caption: so dogs with shorter legs were selected and bred.:
Superlife
Episode 2
8 minutes 22 seconds
Grade Level: 10 - 12
Still image from: Butterflies
8 minutes 20 seconds
Grade Level: 4 - 8
A close up of a yellow and black butterfly on a flower. Caption: Have you seen them fly past you,
15 minutes 41 seconds
Grade Level: 3 - 6
A ship sailing through the sea. Caption: sails within the sight of the mythical Galapagos.
Butterfly Effect
Season 1 / Ep 1
25 minutes 59 seconds
Grade Level: 10 - 12
Two-line graphs. One with sharp, jagged, closely spaced peaks and valleys, the other with more gently increasing and decreasing peaks and valleys. Caption: This information is captured by the BioRadio
Career Connections
Episode 12
4 minutes 6 seconds
Grade Level: 7 - 12
Still image from: Cation Exchange
5 minutes 48 seconds
Grade Level: 7 - 12
Bright green leaf and stem of a plant. Caption: During photosynthesis, energy from the sun,
20 minutes 58 seconds
Grade Level: 5 - 12
A diagram shows six cell parts. Nucleus, Nuclear Membrane, Cytoplasm, Mitochondria, Vacuoles, and cell membrane.
1 minutes 12 seconds
Grade Level: 7 - 12
Still image from: Cells
6 minutes 14 seconds
Grade Level: 4 - 8
Microscopic view of clusters of cells. Spanish captions.
15 minutes 15 seconds
Grade Level: 3 - 5
Closeup of nerve cells. Caption: Many nerve cells must transmit electrical impulses
15 minutes 13 seconds
Grade Level: 9 - 12
Very crowded market filled with people. Caption: They get this energy through respiration --
16 minutes 28 seconds
Grade Level: 9 - 12
Cellular respiration, the process of breaking things down. Eating the food.
1 minutes 3 seconds
Grade Level: 7 - 12
A hummingbird hovering around a plant.
6 minutes 3 seconds
Grade Level: 7 - 12
A spider in the center of a web with double helix DNA strands in the background. Caption: the relationship between changes in spider genomes
2 minutes 39 seconds
Grade Level: 10 - 12
Reddish brown and white kangaroo crouches down on all fours, long tail hanging down and brushing the ground.
1 hours 13 minutes 38 seconds
Grade Level: 4 - 10
Book with handwritten text of the following hierarchy: Kingdom, Phylum, Class, Order, Family, Genus, Species. Caption: are grouped into a species.
22 minutes 12 seconds
Grade Level: 7 - 12
The head of a horse wearing a bridle, hooked to a tether secured to a post. The horse is leaning down to eat hay. Caption: These are all examples of different kinds of animals.
21 minutes 49 seconds
Grade Level: 5 - 9
Close up of a silver fish. Caption:  - Ectotherms meaning their body temperature goes up and down
15 minutes 10 seconds
Grade Level: 3 - 6
Close up of a golden eagle, wings folded. Caption: Where did this golden eagle come from?
2 minutes 16 seconds
Grade Level: 7 - 12
Gloved hand reaching into a small tank to pick up a piece of white coral being grown on a disc. Caption: that fight some of the worst infectious bacteria.
Coral Comeback
Episode 9
2 minutes 13 seconds
Grade Level: 7 - 12
Extreme closeup of the cell structure of coral showing rectangular shape in the center of textured cell material. Labeled, (algae) ZooXanthellae. Caption: Zooxanthallae live inside some of the coral's cells.
Coral Comeback
Episode 3
3 minutes 14 seconds
Grade Level: 7 - 12
Still image from: Coral Reefs
9 minutes 22 seconds
Grade Level: 3 - 6
Front view of an orange squid swimming in the ocean. Caption: She can either keep it or toss it away as she chooses.
The Living Oceans Series
Episode 2
21 minutes 19 seconds
Grade Level: 5 - 10
Closeup of a taupe-colored shellfish with eye showing, and the ocean in the background. Text on image reads, "Core Biology. Animal Sciences."
Core Biology
Episode 2
28 minutes 42 seconds
Grade Level: 10 - 12
Microscopic view of pond water teaming with life. Text on image reads, "Core Biology. Microbiology and Genetics."
Core Biology
Episode 4
29 minutes 6 seconds
Grade Level: 10 - 12
Side closeup view of a flower with yellow petals, magenta veins, and yellow stamens. Text on image reads, "Core Biology. Plant Sciences."
Core Biology
Episode 1
28 minutes 56 seconds
Grade Level: 10 - 12
Illustration of Earth. Midlatitude jet stream (cool) at the top of the globe and Subtropical jet stream (warm) close to the equator. Both move clockwise. Caption: it is a powerful band of winds known for bringing winter storms
Core Meteorology
Season 0 / Ep 1
28 minutes 25 seconds
Grade Level: 8 - 12
Closeup of a huge pile of kernels of dried corn. Caption: making corn the number-one crop by weight.
Superlife
Episode 3
6 minutes 41 seconds
Grade Level: 10 - 12
Cyberchase cartoon. Matt and Inez wear miner's helmets illuminating what appears to be a cave. In the middle of them, a long green snake stands straight up and looks towards Inez. Both are looking away from the snake.
Cyberchase
Season 12 / Ep 7
28 minutes 44 seconds
Grade Level: 4 - 8
An adult cat surrounded by kittens on a linoleum floor. Caption: Other living things go through a similar process
10 minutes 50 seconds
Grade Level: 3 - 6
Person in gloves and a lab coat handles two mice. One is noticeably heavy. Caption: because a single gene is defective,
Holiday Lectures On Science
Season 2004 / Ep 4
58 minutes 30 seconds
Grade Level: 11 - 12
Microscopic image of a pale white flea with a long body and tail.
Deep Look
Season 7 / Ep 5
4 minutes 32 seconds
Grade Level: 7 - 12
Closeup on the face of a Tsetse fly with red eyes, pale body and an elongated appendage extending out from a black bulb at the bottom of its head.
Deep Look
Season 7 / Ep 2
4 minutes 54 seconds
Grade Level: 7 - 12
Closeup of the white iridescent shell of a California floater mussel.
Deep Look
Season 7 / Ep 8
4 minutes 45 seconds
Grade Level: 7 - 12
Closeup of a sundew plant made up of long yellowish leaves and red tentacles, each with a sticky gland at the tip.
Deep Look
Season 7 / Ep 15
3 minutes 57 seconds
Grade Level: 7 - 12
Black and white closeup of a daddy longlegs spider crawling on the dirt, small black ovular body hovering just above the ground.
Deep Look
Season 4 / Ep 8
4 minutes 3 seconds
Grade Level: 7 - 12
Closeup side view of an ensatina salamander with a long black body with orange spots, short legs, and a long tail.
Deep Look
Season 7 / Ep 12
4 minutes 38 seconds
Grade Level: 7 - 12
Computer rendering of a starfish's tube feet, bending at an angle from the base of its leg, as if it's leaning forward on the ground.
Deep Look
Season 7 / Ep 18
4 minutes 33 seconds
Grade Level: 7 - 12
Closeup on a glasswing butterfly perched on a fingertip. It has a black body with white stripes, and transparent webbed wings with opaque, dark brown borders tinted with orange.
Deep Look
Season 7 / Ep 10
5 minutes 24 seconds
Grade Level: 7 - 12
Cyberchase cartoon. A sheet of paper with several illustrations that are labeled Browns. Illustrations include dirt, straw, paper, and leaves.
Deep Look
Season 7 / Ep 20
4 minutes 33 seconds
Grade Level: 7 - 12
Microscopic photo of a louse crawling along a single strand of hair.
Deep Look
Season 6 / Ep 6
3 minutes 44 seconds
Grade Level: 7 - 12
Computer rendering showing tiny air sacs called alveoli attached to red and blue capillaries.
Deep Look
Season 7 / Ep 11
4 minutes 59 seconds
Grade Level: 7 - 12
Side profile of a dog with an overlay that shows the skeletal structure of its snout. The area just below its eyes and across the bridge of its nose is illuminated in yellow and labeled Olfactory Recess.
Deep Look
Season 6 / Ep 4
3 minutes 33 seconds
Grade Level: 7 - 12
Closeup of a small white spider crawling across its spiral web suspended in the air.
Deep Look
Season 7 / Ep 16
4 minutes 43 seconds
Grade Level: 7 - 12
Computer rendering of a kangaroo rat skeleton showing its arched spine and large skull.
Deep Look
Season 7 / Ep 4
4 minutes 5 seconds
Grade Level: 7 - 12
Closeup of red ants crawling across the dirt, each carrying a small white object.
Deep Look
Season 6 / Ep 16
4 minutes 45 seconds
Grade Level: 7 - 12
Closeup of the rattle at the end of a black and white striped rattlesnake. The rattle is composed of hollow, interlocking segments that are shiny and slightly transparent.
Deep Look
Season 6 / Ep 13
4 minutes 11 seconds
Grade Level: 7 - 12
Closeup of a sand pit with a slight depression. A small shiny oval object is visible in the center.
Deep Look
Season 6 / Ep 11
4 minutes 7 seconds
Grade Level: 7 - 12
Wide shot of a partly cloudy sky with a falcon flying through the air in the distance.
Deep Look
Season 6 / Ep 14
4 minutes 12 seconds
Grade Level: 7 - 12
Video shows a light gray background.
Deep Look
Season 6 / Ep 7
4 minutes 15 seconds
Grade Level: 7 - 12
Closeup of a wasp with a black body, short antennas and transparent wings.
Deep Look
Season 6 / Ep 5
4 minutes 19 seconds
Grade Level: 7 - 12
Man wearing headphones points a laser at a sharpshooter insect attached to a grapevine.
Deep Look
Season 7 / Ep 9
5 minutes 16 seconds
Grade Level: 7 - 12
Two hairy Tarantulas crawling on the ground.
Deep Look
Season 6 / Ep 19
3 minutes 56 seconds
Grade Level: 7 - 12
Closeup of a spiderweb stretching across a gap in what appears to be a wood log.
Deep Look
Season 6 / Ep 20
4 minutes 38 seconds
Grade Level: 7 - 12
Blurred photo of a woman leaning over to kiss the cheek of a baby. The baby reaches up to grab her chin in its hands.
Deep Look
Season 6 / Ep 10
3 minutes 27 seconds
Grade Level: 7 - 12
Closeup of an insect that has a long thin brown body that looks like a twig with short arms branching off. Its head looks like a long bright transparent leaf.
Deep Look
Season 6 / Ep 17
4 minutes 21 seconds
Grade Level: 7 - 12
Closeup of a baby hairworm insect with a mottled light and dark brown body and thin legs crawling over a plant.
Deep Look
Season 6 / Ep 3
4 minutes 8 seconds
Grade Level: 7 - 12
Microscopic image of a cylindrical mosquito egg that's dark brown in color with hundreds of white dots that look like polka dots.
Deep Look
Season 7 / Ep 6
3 minutes 50 seconds
Grade Level: 7 - 12
A photo depicts flies on the surface of a fruit.
Deep Look
Season 6 / Ep 18
4 minutes 28 seconds
Grade Level: 7 - 12
Black beetle with thin, spidery legs and black and white antennas crawls down a thin sheet of dirty fabric.
Deep Look
Season 6 / Ep 8
4 minutes 26 seconds
Grade Level: 7 - 12
Small black ovular beetle crawls along moss towards pile of leaves.
Deep Look
Season 6 / Ep 1
4 minutes 34 seconds
Grade Level: 7 - 12
Closeup of an Indian walking stick camouflaged in twigs and leaves. It's brown with a long, thin body and legs.
Deep Look
Season 7 / Ep 7
4 minutes 20 seconds
Grade Level: 7 - 12
Closeup of a light brown insect with a round flat body and short setae, or hair-like structures on its legs and mid-body.
Deep Look
Season 6 / Ep 12
4 minutes 21 seconds
Grade Level: 7 - 12
Closeup of a light and dark brown mottled peregrine falcon egg shell.
Deep Look
Season 7 / Ep 17
5 minutes 29 seconds
Grade Level: 7 - 12
Side view closeup of a hissing cockroach showing its shiny black body covered in hair-like bristles, pale abdomen, and horns.
Deep Look
Season 7 / Ep 3
3 minutes 40 seconds
Grade Level: 7 - 12
Glass beaker with clear liquid. Spanish captions.
14 minutes 29 seconds
Grade Level: 3 - 5
Still image from: Digestive System
6 minutes 3 seconds
Grade Level: 3 - 6
Pie chart diagram showing that the atmosphere contains 1/5 oxygen. Caption:  Two ways of O2 entry. Caption: Oxygen makes about 1/5 of the atmosphere,
5 minutes 22 seconds
Grade Level: 7 - 12
Two parallel strands twisting around a central axis. Caption: Each strand is made up of a chain of nucleotides.
Visualizing Cell Processes
Episode 4
15 minutes
Grade Level: 9 - 12
Cart ascending roller coaster track. Caption: What are the reservoirs for the carbon cycle?
Earth Science
Episode 8
28 minutes 48 seconds
Grade Level: 6 - 9
Cartoon of a bear and bird in a forest. Spanish captions.
Eco S.O.S. (Spanish)
Season 0 / Ep 17
11 minutes 1 seconds
Grade Level: 2 - 5
Cartoon of a bear standing next to a tree with a beehive. A bee hovers in the air and holds flowers. Spanish captions.
Eco S.O.S. (Spanish)
Season 0 / Ep 25
11 minutes 31 seconds
Grade Level: 2 - 5
White bird with long legs and a long neck standing in the water with plants in background. Spanish captions.
15 minutes 5 seconds
Grade Level: 3 - 5
Still image from: Emily Graslie's Art Lab: The Art of the Microcosmos
Emily Graslie's Art Lab
Season 1 / Ep 2
10 minutes 47 seconds
Grade Level: 7 - 12
Still image from: Environment: Wildebeest Migration Patterns
2 minutes 2 seconds
Grade Level: 4 - 8
Still image from: Eons: How Ankylosaurs Got Their Clubs
Eons
Season 3 / Ep 23
7 minutes 52 seconds
Grade Level: 10 - 12
A bone is placed before a wolf, who staring vigilantly at fire.
Eons
Season 3 / Ep 29
9 minutes 21 seconds
Grade Level: 10 - 12
Still image from: Eons: How Humans Lost Their Fur
Eons
Season 3 / Ep 27
11 minutes 27 seconds
Grade Level: 10 - 12
Still image from: Eons: How Plants Became Carnivores
Eons
Season 3 / Ep 22
9 minutes 47 seconds
Grade Level: 10 - 12
A large number of eggs laid in water has a thick layer of jelly.
Eons
Season 3 / Ep 1
8 minutes 44 seconds
Grade Level: 10 - 12
A cat.
Eons
Season 2 / Ep 42
7 minutes 47 seconds
Grade Level: 10 - 12
Still image from: Eons: How We Figured Out Fermentation
Eons
Season 3 / Ep 16
9 minutes 20 seconds
Grade Level: 10 - 12
An illustration depicts a theropod dinosaur, looking into a nest with eggs and newborn dinosaurs.
Eons
Season 2 / Ep 39
7 minutes 28 seconds
Grade Level: 10 - 12
A panda eating bamboo shoots.
Eons
Season 2 / Ep 46
8 minutes 20 seconds
Grade Level: 10 - 12
An illustration depicts an old shepherd, wearing clothes made from animal leather, sitting on a rock.
Eons
Season 2 / Ep 48
9 minutes 9 seconds
Grade Level: 10 - 12
An illustration depicts a pair of dinosaurs fighting each other.
Eons
Season 2 / Ep 34
8 minutes 35 seconds
Grade Level: 10 - 12
An illustration depicts the dinosaur, Coelophysis, with new born Coelophysis in between its beak.
Eons
Season 2 / Ep 32
10 minutes 37 seconds
Grade Level: 10 - 12
An illustration depicts an extinct animal, the Giant Lemur.
Eons
Season 2 / Ep 37
10 minutes 9 seconds
Grade Level: 10 - 12
A skull from the fossils of Homo floresiensis, and a rough sketch of the limbs of the fossil remains are presented.
Eons
Season 2 / Ep 40
9 minutes 10 seconds
Grade Level: 10 - 12
Still image from: Eons: When We Met Other Human Species
Eons
Season 2 / Ep 28
12 minutes 55 seconds
Grade Level: 10 - 12
Still image from: Eons: Why Do Things Keep Evolving Into Crabs?
Eons
Season 3 / Ep 24
6 minutes 46 seconds
Grade Level: 10 - 12
An illustration of a male Woolly mammoth.
Eons
Season 2 / Ep 44
11 minutes 2 seconds
Grade Level: 10 - 12
Still image from: Everything Is Chemical
4 minutes 13 seconds
Grade Level: 7 - 12
Young person in a dentist's chair. Caption: Tooth decay, skin acne, and body odor
26 minutes 29 seconds
Grade Level: 10 - 12
Person Speaking from a podium. Caption: and why it doesn't act so well in the obese.
Holiday Lectures On Science
Season 2004 / Ep 2
58 minutes 30 seconds
Grade Level: 11 - 12
Hand holding a leaf. Almost entirely camouflaged on the leaf is an insect. Caption: with lots of moss on tree trunks and leaves
1 hours 42 minutes 2 seconds
Grade Level: 4 - 8
A seated man with skulls and other items on shelves in the background. Caption: We found one band at about 5.2 million years--
6 minutes 46 seconds
Grade Level: 10 - 12
Still image from: Fish
10 minutes 11 seconds
Grade Level: 3 - 6
Indicator dots in East Asia. Plane icon in North America with indicator dots beneath the plane. Caption: It heads to North America, where it deplanes,
5 minutes 3 seconds
Grade Level: 7 - 12
Still image from: Food Chain
6 minutes 9 seconds
Grade Level: 3 - 6
White birds with long legs stand next to a body of water surrounded by trees. Spanish captions.
10 minutes 31 seconds
Grade Level: K - 3
Still image from: Fossil Fuels
12 minutes 20 seconds
Grade Level: 3 - 6
Illustration of a sphere with an uneven surface. Caption: Scientists strip away the virus's harmful genes
17 minutes 16 seconds
Grade Level: 10 - 12
A D N A strand labeled, mutación, has its section highlighted and labeled, proteina Spanish Caption: El principio de la terapia genica.
17 minutes 16 seconds
Grade Level: 10 - 12
Microscopic view of narrow, oval shaped single cell organisms. Caption: and protozoa, reproduce, they make exact copies
24 minutes 29 seconds
Grade Level: 6 - 10
Close up of a mosquito with the earth as seen from space in the background. Caption: mosquito bites are tied to many viral outbreaks.
8 minutes 34 seconds
Grade Level: 10 - 12
Forest of large, towering trees. Caption: Well, redwood trees live for thousands of years,
14 minutes 40 seconds
Grade Level: 7 - 12
Illustration of a person flying through the night sky against a backdrop of buildings and stars while holding a lit candle. Caption: Hi, I'm Faith Ringgold.
Getting To Know Artists
Episode 3
21 minutes 20 seconds
Grade Level: 4 - 7
A group of people inspecting a skeleton.
7 minutes 45 seconds
Grade Level: 10 - 12
A woman leaning down to brush her lips on the head of a sleeping baby held in her arms. Caption: were passed on from generation to generation,
16 minutes 58 seconds
Grade Level: 9 - 12
Microscopic close up of cells. Cell walls and internal organ structure visible. Caption: It was clear that the nucleus was the critical element
Greatest Human Achievements
Episode 3
14 minutes 30 seconds
Grade Level: 9 - 12
A researcher displays G F P in a graduated tube. Caption: This is G F P or green fluorescent protein.
1 minutes 49 seconds
Grade Level: 10 - 12
Flower, Lamb, and mushroom. Spanish captions.
10 minutes 26 seconds
Grade Level: K - 3
Children in a classroom setting standing around a desk with plants on it. Caption: (narrator) After a few weeks, the children look at the results.
14 minutes 46 seconds
Grade Level: 1 - 4
Text on image reads, BioMedia Associates. Hidden Biodiversity. The background depicts different types of microorganisms.
Hidden Biodiversity
Episode 10
36 minutes
Grade Level: 7 - 12
Microscopic view of oval shaped organisms. Caption: Ciliates are a group of single-celled organisms
Hidden Biodiversity
Episode 1
3 minutes 10 seconds
Grade Level: 9 - 12
Microscopic view of oval and tubular organisms. Caption: make their own food using the light
Hidden Biodiversity
Episode 2
3 minutes 12 seconds
Grade Level: 9 - 12
Closeup view of a clear, jelly-like egg cluster underwater. Caption: The transparent eggs allow us
Hidden Biodiversity
Episode 3
3 minutes 12 seconds
Grade Level: 9 - 12
Points of light against a dark, textured background. Caption: many adaptations to support movement.
Hidden Biodiversity
Episode 4
3 minutes 12 seconds
Grade Level: 9 - 12
Microscopic view of an oval shaped organism with a mouth-like opening at one narrow end. Caption: These microorganisms are so small,
Hidden Biodiversity
Episode 5
3 minutes 12 seconds
Grade Level: 7 - 12
Closeup view of a mosquito. Caption: The adult mosquito is now ready
Hidden Biodiversity
Episode 6
3 minutes 12 seconds
Grade Level: 9 - 12
Microscope view of oval shaped organisms with globular protrusions. Caption: There are 2000 species of rotifers.
Hidden Biodiversity
Episode 8
3 minutes 12 seconds
Grade Level: 9 - 12
Microscopic view of tubular organisms with background debris. Caption: adopted by some microorganisms is gemmation.
Hidden Biodiversity
Episode 7
3 minutes 12 seconds
Grade Level: 9 - 12
Microscopic view of a transparent roundish organism with a visible face and legs. Caption: a reproductive strategy called parthenogenesis.
Hidden Biodiversity
Episode 9
3 minutes 12 seconds
Grade Level: 9 - 12
Infrared scan of the head and shoulders of a person mostly in red and yellow. Caption: it's already increased 5 degrees to 36 degrees Celsius.
15 minutes 23 seconds
Grade Level: 9 - 12
Illustration of a horse with its nose pointed towards the ground. In this position the pupil of the eye is parallel to the ground. Caption: It would enhance the effective field of view
3 minutes 43 seconds
Grade Level: 9 - 12
Cycle showing eggs leading to tadpole; tadpole developing back legs and keeping tail; tadpole developing all four legs, losing some of the tail, and looking more like a frog; to an adult frog who produces eggs. Caption: to watch what happens to the eggs.
Everyday Science for Preschoolers
Episode 1
1 minutes 52 seconds
Grade Level: Ps - 3
Illustration of neurons and dendrites exchanging signals. Caption: The addicted brain has changed.
24 minutes 5 seconds
Grade Level: 10 - 12
Still image from: How Animals Move
3 minutes 18 seconds
Grade Level: 2 - 5
Woman with shoulder-length brown hair parts her lips mid-speech in front of white bookshelves. Title card reads, "How Big Are Tree Genomes?"
6 minutes 57 seconds
Grade Level: 10 - 12
Illustration of a cell showing the cross section to expose the contents of the cell. Ribbon-like substance blankets the inner edge with spheres of various sizes suspended within. Caption: First, mitochondria take in molecules derived from food,
Inside The Living Cell
Episode 4
13 minutes 18 seconds
Grade Level: 8 - 12
Illustration of two cells with identical internal structures. Caption: are passed on to each new generation of cells,
Inside The Living Cell
Episode 5
14 minutes 11 seconds
Grade Level: 8 - 12
Illustration of teeth in the bottom jaw with braces on the surface of the teeth. The two teeth on either end of the jaw are shaded darker. Caption: that lets the new PDL hold teeth in the new position.
Science Out Loud
Episode 17
4 minutes 8 seconds
Grade Level: 9 - 12
Illustration of a gray brain with areas highlighted in green. Title card reads, "How Does Your Brain Learn? Changes in active brain regions could be an indicator of 'training related performance gains.'"
5 minutes 37 seconds
Grade Level: 10 - 12
Aerial closeup of a hand using a black pen to trace over a pencil drawing of a horizontal double helix strand of D, N, A.
6 minutes 10 seconds
Grade Level: 4 - 8
Blurry city in background. Taste and Smell.
Human + The Future of Our Senses
Episode 4
48 minutes 15 seconds
Grade Level: 10 - 12
Illustration of a person with a large belly next to a bad of mega chips labeled party size and a stack of calories. Caption: can cause a person to be overweight,
Human Nutrition
Episode 1
28 minutes 4 seconds
Grade Level: 7 - 12
Person speaking. Caption: Calcium is another mineral that is especially important
Human Nutrition
Episode 6
22 minutes
Grade Level: 7 - 12
Illustration of a military person pointing to a chart with pictures of bananas, apples, and leafy greens. Caption: Choose foods that provide more potassium, dietary fiber, calcium, and vitamin D--
Human Nutrition
Episode 3
37 minutes 24 seconds
Grade Level: 7 - 12
Measuring cup. Eat the amount your body really needs. Measure out your portions. Caption: by measuring out your portions with measuring cups
Human Nutrition
Episode 5
36 minutes 26 seconds
Grade Level: 7 - 12
Illustration of a cell and a molecule of NaCl. Made up mostly of water. Caption: The fluid around the cell contains sodium chloride
Human Nutrition
Episode 4
33 minutes 20 seconds
Grade Level: 7 - 12
Diagram of foods containing Sucrose providing a combination of fructose and glucose or containing Lactose providing galactose and glucose after being processed by the liver. Caption: are also broken down and converted into glucose
Human Nutrition
Episode 2
28 minutes 20 seconds
Grade Level: 7 - 12
Illustration of a grazing cow. Greetings from the farm… Caption: (man) Like many foods,
Human Nutrition
Episode 7
17 minutes 37 seconds
Grade Level: 7 - 12
A humanoid robot holding a drill. Caption: to continuously pay attention to his surroundings
Science Out Loud
Episode 2
5 minutes 7 seconds
Grade Level: 10 - 12
Two women exercising with dumbbells. Caption: to make their bodies as strong as can be.
I Can Be Anything I Want to Be A to Z
Episode 11
3 minutes 49 seconds
Grade Level: 4 - 8
Two fish swim underwater through underwater plant life. Caption: I specialize in fish and aquatic life.
I Can Be Anything I Want to Be A to Z
Episode 26
5 minutes 35 seconds
Grade Level: 4 - 8
Micros images of an insect.
I Contain Multitudes
Episode 7
9 minutes 10 seconds
Grade Level: 10 - 12
Mushrooms.
I Contain Multitudes
Episode 2
8 minutes 3 seconds
Grade Level: 10 - 12
An oceanic map. A scale shows a submarine diving below 3000 feet.
I Contain Multitudes
Episode 5
10 minutes 20 seconds
Grade Level: 10 - 12
A diagram shows illustrations of butterflies, wasps, bees, and caterpillars.
I Contain Multitudes
Episode 6
9 minutes 3 seconds
Grade Level: 10 - 12
A diagram illustrates a seal going to dine on a squid.
I Contain Multitudes
Episode 3
8 minutes 6 seconds
Grade Level: 10 - 12
A diagram illustrates a lot of microbes in the blood, high temperature and a human skeleton.
I Contain Multitudes
Episode 1
7 minutes 11 seconds
Grade Level: 10 - 12
A microscopic view shows a number of microbes.
I Contain Multitudes
Episode 4
9 minutes 20 seconds
Grade Level: 10 - 12
Illustration of a flat, narrow animal with a tube exiting from the bottom of the body toward the back. Caption: So what is the key to Planaria regeneration?
9 minutes 54 seconds
Grade Level: 10 - 12
Microscopic view of an irregularly shaped organism. Spanish captions.
10 minutes 30 seconds
Grade Level: 10 - 12
Illustration of beige spherical shapes and a single bright-green spiky shape. Caption: A virus is a lean, mean disease machine.
1 minutes 40 seconds
Grade Level: 7 - 12
Still image from: In Our Nature: Are Some Species More Important Than Others?
In Our Nature
Episode 1
25 minutes 46 seconds
Grade Level: 10 - 12
Still image from: In Our Nature: Extreme Senses
In Our Nature
Episode 5
17 minutes 7 seconds
Grade Level: 10 - 12
Still image from: In Our Nature: Mutualism
In Our Nature
Episode 4
20 minutes 58 seconds
Grade Level: 10 - 12
Still image from: In Our Nature: Nutrient Cycling
In Our Nature
Episode 3
29 minutes 31 seconds
Grade Level: 10 - 12
People wearing hospital gowns and masks holding a newborn baby. Caption: Congratulations.
39 minutes 59 seconds
Grade Level: PT/TT -
Spat on a tray. MB Masonboro Inlet North Carolina. Caption: Spat from each family was placed on test reefs.
In The Grass, On The Reef
Season 3 / Ep 4
2 minutes 4 seconds
Grade Level: 7 - 12
Person standing on the deck of the boat with a crab cage in their hands. Ecosystem Service Creating Jobs. Caption: marshes provide many of the same benefits as oysters.
In The Grass, On The Reef
Season 4 / Ep 1
2 minutes 4 seconds
Grade Level: 7 - 12
Recently Added
Still image from: Influential Women: Susan B. Anthony
Influential Women
Episode 2
2 minutes 31 seconds
Grade Level: 4 - 8
Large spherical object surrounded by smaller multi-sphere objects. Nova Caption: Carbon is one of the most versatile elements.
1 minutes 37 seconds
Grade Level: 9 - 12
Still image from: Insect Pollinators
5 minutes 21 seconds
Grade Level: 4 - 8
Two young people in a classroom setting, one looking through a microscope. Caption: - Hmm, ask her what her job in the cell is.
43 minutes 39 seconds
Grade Level: 5 - 9
Yellow and black butterfly on a honeysuckle plant. Spanish captions.
9 minutes 50 seconds
Grade Level: K - 3
Closeup of a man in a yellow polo with furrowed brow and lips parted mid-speech. Field of corn beneath a cloudy sky in background.
Into the Outdoors
Episode 34
15 minutes 22 seconds
Grade Level: 4 - 8
Digital illustration of Native Americans rowing canoes illuminated by torches at night. Moonlight reflects off water.
Into the Outdoors
Episode 62
23 minutes 56 seconds
Grade Level: 4 - 8
Closeup of a row of young plants sprouting out of soil in a vast field beneath blue sky.
Into the Outdoors
Episode 8
5 minutes 25 seconds
Grade Level: 4 - 8
Clusters of delicate white flowers, some tinged with pink, at right and left foreground. Out of focus flowers are in background.
Into the Outdoors
Episode 60
5 minutes 22 seconds
Grade Level: 4 - 8
Aerial view of a silo complex. Paved roadways and plots of green grass run through and around it.
Into the Outdoors
Episode 33
5 minutes 57 seconds
Grade Level: 4 - 8
Low shot looking up at tree trunks with bare branches spread out against blue sky.
Into the Outdoors
Episode 54
24 minutes 27 seconds
Grade Level: 4 - 8
Color illustration of a squirrel curled up in a ball with its eyes closed. It rests on a nest of green, brown, and red beside a handful of acorns.
Into the Outdoors
Episode 50
4 minutes 55 seconds
Grade Level: 4 - 8
Rendering of a small, flowering plant that sprouts out of dirt. Grass and blue sky in background. Title card reads, "Photosynthesis."
Into the Outdoors
Episode 30
4 minutes
Grade Level: 4 - 8
Still image from: Introduction to Birds
9 minutes
Grade Level: 3 - 6
A herd of cattle, some adult, some baby, all with tags in their ears. Caption: The mother of this calf also has brown fur.
10 minutes
Grade Level: 5 - 8
Closeup of vibrant green leaves. Caption: that form a network throughout the plant structure.
20 minutes 17 seconds
Grade Level: 9 - 12
Illustration of two cells, one with spiky structures being overtaken by the other. Caption: how the body produces antibodies and T cells
21 minutes 19 seconds
Grade Level: 9 - 12
Illustration of a doctor with a mechanical device in their hand looking at an image on a monitor. Spanish captions.
Invisible Science and Technology Surrounding (Spanish)
Episode 13
26 minutes 39 seconds
Grade Level: 9 - 12
An animal with the body of a lion, an extra goat head on its back, and a snake instead of a tail. Caption: Chimera.
It's Okay to Be Smart
Season 7 / Ep 14
9 minutes 43 seconds
Grade Level: 10 - 12
Sunlight is shining through in a forest with large number of trees.
It's Okay to Be Smart
Season 7 / Ep 17
5 minutes 27 seconds
Grade Level: 10 - 12
An illustration depicts the sinuses present in a human skull.
It's Okay to Be Smart
Season 7 / Ep 26
11 minutes 57 seconds
Grade Level: 9 - 12
Recently Added
Still image from: It's Okay to Be Smart: Extreme Microbes Are Eating the Titanic
It's Okay to Be Smart
Season 6 / Ep 3
5 minutes 23 seconds
Grade Level: 10 - 12
Recently Added
Still image from: It's Okay to Be Smart: How Your Memory Works
It's Okay to Be Smart
Season 6 / Ep 11
8 minutes 19 seconds
Grade Level: 7 - 12
A woman holds a wailing infant in her arms.
It's Okay to Be Smart
Season 8 / Ep 3
8 minutes 19 seconds
Grade Level: 10 - 12
An enlarged view of the cells lining the retina is shown from an eyeball. A colorful and a black and white picture of parrot are shown on either side of the eyeball.
It's Okay to Be Smart
Season 7 / Ep 23
8 minutes 56 seconds
Grade Level: 10 - 12
Sixteen eyeballs, each with different eye color. Caption: Martin-Schultz scale.
It's Okay to Be Smart
Season 7 / Ep 9
5 minutes 37 seconds
Grade Level: 9 - 12
Recently Added
Still image from: It's Okay to Be Smart: Proof of Evolution Is Hiding in Your DNA
It's Okay to Be Smart
Season 6 / Ep 21
6 minutes 57 seconds
Grade Level: 7 - 12
Still image from: It's Okay to Be Smart: The Lizard That Uses Nanotechnology to Walk Upside Down
It's Okay to Be Smart
Season 8 / Ep 21
8 minutes 7 seconds
Grade Level: 10 - 12
Man in glasses and cardigan holds palms together with lips parted in mid-speech. He stands before a green background with white scratches.
It's Okay to Be Smart
Season 5 / Ep 13
5 minutes 23 seconds
Grade Level: 10 - 12
Still image from: It's Okay to Be Smart: The Science of Farts
It's Okay to Be Smart
Season 6 / Ep 18
5 minutes 6 seconds
Grade Level: 10 - 12
Still image from: It's Okay to Be Smart: The Shocking Way Your Brain Runs on Electricity
It's Okay to Be Smart
Season 9 / Ep 7
18 minutes 49 seconds
Grade Level: 10 - 12
Different math equations and graphs are drawn, with a butterfly as the backdrop.
It's Okay to Be Smart
Season 7 / Ep 7
9 minutes 17 seconds
Grade Level: 10 - 12
Seven different butterflies, where four are placed at the corners facing the butterfly at the center and two at either side of the central butterfly.
It's Okay to Be Smart
Season 7 / Ep 11
11 minutes 12 seconds
Grade Level: 10 - 12
Man in glasses gestures with hand and parts lips in mid-speech. Toys and books on shelves displayed in background. Text at right reads, "Gimme that science!"
It's Okay to Be Smart
Season 8 / Ep 27
14 minutes 48 seconds
Grade Level: 10 - 12
A photo depicts many branches of a large tree.
It's Okay to Be Smart
Season 7 / Ep 24
8 minutes 51 seconds
Grade Level: 10 - 12
Still image from: It's Okay to Be Smart: What Is Impossible in Evolution?
It's Okay to Be Smart
Season 9 / Ep 3
19 minutes 27 seconds
Grade Level: 10 - 12
Still image from: It's Okay to Be Smart: Why Are We Warm Blooded?
It's Okay to Be Smart
Season 9 / Ep 6
11 minutes 18 seconds
Grade Level: 10 - 12
Recently Added
Still image from: It's Okay to Be Smart: Why Do We Cry?
It's Okay to Be Smart
Season 6 / Ep 20
4 minutes 20 seconds
Grade Level: 7 - 12
Recently Added
Still image from: It's Okay to Be Smart: Why Do We Itch?
It's Okay to Be Smart
Season 6 / Ep 12
4 minutes 59 seconds
Grade Level: 7 - 12
Eggs of Screech owl, Turkey vulture, Audubon's Caracara, Kingfisher, Common Murree, Yellow Billed. Caption: Stoddard Et Al. Science 20 17.
It's Okay to Be Smart
Season 7 / Ep 19
7 minutes 23 seconds
Grade Level: 10 - 12
Still image from: It's Okay to Be Smart: Why Is Sex a Thing?
It's Okay to Be Smart
Season 9 / Ep 9
12 minutes 31 seconds
Grade Level: 10 - 12
Man in glasses and zip sweatshirt parts lips in mid-speech. Bookshelves line wall in background. Title card reads, ''Cerebellum."
It's Okay to Be Smart
Season 8 / Ep 8
9 minutes 52 seconds
Grade Level: 10 - 12
Close up of a black insect with translucent black wings and black antenna. Caption: our killer can locate her victims remotely.
28 minutes 46 seconds
Grade Level: 10 - 12
Close up of a yellow Labrador dog on a leash. Caption: They are clones, copies of the same dog.
Superlife
Episode 1
9 minutes 16 seconds
Grade Level: 9 - 12
Cartoon of a child in a classroom setting standing at the front of the class next to a skeleton. Caption: Your body's made of many parts that help you move and think.
Everyday Science for Preschoolers
Episode 7
1 minutes 7 seconds
Grade Level: 2 - 5
Beetle in larvae, pupae, and adult stage. Spanish captions.
14 minutes 37 seconds
Grade Level: 3 - 5
Rocky coastline. Caption: Life learned to use sunlight to develop
15 minutes 8 seconds
Grade Level: 7 - 12
Brown spotted lizard on a tree trunk. Caption: He plans to radio track the lizards.
8 minutes 32 seconds
Grade Level: 10 - 12
Green lizard on a rock.  Spanish captions.
9 minutes 57 seconds
Grade Level: 10 - 12
Close up of head and shoulders of a manatee swimming under water. Caption: USGS
3 minutes 34 seconds
Grade Level: 6 - 12
Still image from: Mammals
6 minutes 15 seconds
Grade Level: 3 - 6
A bird floats underwater while a school of small fish swirl around it. A marlin approaches from below. Caption: and the frenzy intensifies as marlin compete
The Living Oceans Series
Episode 3
20 minutes 48 seconds
Grade Level: 5 - 10
Group of children with arms raised. Spanish captions.
12 minutes 22 seconds
Grade Level: K - 3
Still image from: Meet the Helpers: What Is a Virus?
Meet the Helpers
Episode
45 seconds
Grade Level: Ps - 3
People in an open-air enclosure standing around a table with paper and other objects on the surface. Caption: is that I am surrounded by really curious people,
Meet the Ologist
Episode 2
3 minutes 16 seconds
Grade Level: 5 - 8
People in an open-air enclosure standing around a table with paper and other objects on the surface. Spanish captions.
Meet the Ologist
Episode 3
3 minutes 45 seconds
Grade Level: 5 - 8
Complex matrix of spherical objects next to a thermometer reading slightly above zero degrees. Caption: A low temperature indicates that the particles
23 minutes 38 seconds
Grade Level: 8 - 10
Field of corn at night with a person using large machinery to spray the crop. Caption: You can spray with herbicide and your crop will survive
Nourish Short Films
Episode 29
1 minutes 26 seconds
Grade Level: 7 - 12
Flat landscape with corn as far as the eye can see. Caption: For example, the American corn field is such a huge landscape
Nourish Short Films
Episode 31
1 minutes 1 seconds
Grade Level: 7 - 12
Hands adjusting a microscope. Spanish captions.
15 minutes 8 seconds
Grade Level: 3 - 5
Closeup of microscopic green and blue organisms superimposed with a title card that reads, "Microscopic monsters."
Microscopic Monsters
Episode
1 hour 8 minutes
Grade Level: 5 - 8
Magnified view of a very small animal with a segmented body and many legs. Caption: Only in a waterfall are there such creatures.
Microscopic Monsters
Episode 8
4 minutes 57 seconds
Grade Level: 5 - 8
Magnified view of thin, tangled threads. Caption: a fungus composed of a tangled mass of threads
Microscopic Monsters
Episode 9
4 minutes 58 seconds
Grade Level: 5 - 8
Closeup of a worm in soil. Caption: They really do a bang-up job of cultivating the soil.
Microscopic Monsters
Episode 12
4 minutes 45 seconds
Grade Level: 5 - 8
Closeup of a bee on a yellow flower. Caption: (Tara) Fertilization with an insect's help--
Microscopic Monsters
Episode 11
4 minutes 47 seconds
Grade Level: 5 - 8
Cross section of earth. Different layers of rock and soil have a jagged crack running down them. Caption: a complex and very ancient assemblage
Microscopic Monsters
Episode 13
7 minutes 31 seconds
Grade Level: 5 - 8
closeup of beige and brown insects in wood. Caption: They'll soon reduce this log to frass.
Microscopic Monsters
Episode 10
4 minutes 48 seconds
Grade Level: 5 - 8
Microscopic view of roughly oval shaped organisms surrounded by much smaller green spherical objects. Caption: I want to look closer at how they feed.
Microscopic Monsters
Episode 6
4 minutes 43 seconds
Grade Level: 5 - 8
A black, waist high horse wearing a bridle and halter is being held by a person standing next to it. Caption: the miniature horse has become a popular pet
Superlife
Episode 4
10 minutes 36 seconds
Grade Level: 10 - 12
Illustration of tubular structures. Nova science Now. Caption: The answer -- mirror neurons,
4 minutes 35 seconds
Grade Level: 10 - 12
Alex Dainis is seated in front of her book shelf. Animation of a cell structure. Caption: And this volume includes all of its organelles.
4 minutes 54 seconds
Grade Level: 10 - 12
Close up of a snail. Caption: The snail moves very smoothly, almost as if it were sliding.
10 minutes 17 seconds
Grade Level: 6 - 8
Close up of a very large brown moth with a large spot on each of its four wings and dark dots on the tip of two of them. Caption: And that led into studying bat-moth interactions,
10 minutes 24 seconds
Grade Level: 10 - 12
Still image from: Muscles
8 minutes 12 seconds
Grade Level: 3 - 6
Illustration of two people in a basket passing by tree roots. Caption: You're just passing through the root level.
My Little Planet
Episode 14
5 minutes 13 seconds
Grade Level: 3 - 6
Illustration of drops of water with faces. Caption: Look at this, Hanna.
My Little Planet
Episode 1
5 minutes 7 seconds
Grade Level: 3 - 6
Illustration of a spider. Caption: We breathe in oxygen and breathe out carbon dioxide.
My Little Planet
Episode 24
5 minutes 11 seconds
Grade Level: 3 - 6
Illustration of a dog scratching itself. Caption: Look! Everyone's scratching themselves.
My Little Planet
Episode 18
5 minutes 11 seconds
Grade Level: K - 3
Cow with a metal hat connected to wires that lead to a large machine. Caption: Thanks to my work, she can produce chocolate milk.
My Little Planet
Episode 19
5 minutes 20 seconds
Grade Level: 3 - 6
Illustration of three insects sitting on a ceiling beam, looking down on a fourth insect who is talking to two children in bed. Caption: (Suzie) Do you know the story of the princess dragonfly?
My Little Planet
Episode 26
5 minutes 7 seconds
Grade Level: 3 - 6
Illustration of two people floating on a platform and moving towards a waterfall. Caption: (Hanna) They disappeared into the waterfall.
My Little Planet
Episode 7
5 minutes 13 seconds
Grade Level: 3 - 6
Illustration of a person reaching to take something from a tree's hand. Caption: Take them and find a pretty spot to plant them.
My Little Planet
Episode 3
5 minutes 8 seconds
Grade Level: K - 3
Cartoon of a person pulling a plant out of the ground. Caption: Hey, be careful! Don't take it all.
My Little Planet
Episode 20
5 minutes 10 seconds
Grade Level: K - 3
Plastic 3D color-coded model of the human brain. Caption: The brain's maximum potential?
56 minutes 41 seconds
Grade Level: 9 - 12
Complex diagram indicating the relationship of different species of organisms. Caption: and are separated on the theropod family tree.
Natural News From The Field Museum
Season 0 / Ep 1
7 minutes 9 seconds
Grade Level: 10 - 12
Recently Added
Still image from: Nature Knows Best: Bio-Hybrid Design
Nature Knows Best
Season 2 / Ep 4
22 minutes 14 seconds
Grade Level: 7 - 12
Recently Added
Still image from: Nature Knows Best: Budding Ideas
Nature Knows Best
Season 2 / Ep 8
22 minutes 9 seconds
Grade Level: 7 - 12
Recently Added
Still image from: Nature Knows Best: Mother Nature Gets Fashionable
Nature Knows Best
Season 2 / Ep 6
22 minutes 11 seconds
Grade Level: 7 - 12
Recently Added
Still image from: Nature Knows Best: Sticky Tech
Nature Knows Best
Season 1 / Ep 6
22 minutes 1 seconds
Grade Level: 7 - 12
Person wearing a backpack and a headlamp moving through a narrow opening in a crouched position. Caption: Okay, I'm going down a slope. It looks a little slippery.
16 minutes 57 seconds
Grade Level: 6 - 12
A river flows through a large forest area. Caption: Amazon Rainforest. Latitude, 4 degrees North to 13 degrees South. Longitude, 45 degrees to 77 degrees West. Rainfall, 2500 to 4000 millimeters. Temperature range, 20 degrees to 32 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 3
29 minutes 17 seconds
Grade Level: 7 - 12
A small hill is present in a large plain.
Nature's Microworlds
Season 1 / Ep 12
29 minutes 18 seconds
Grade Level: 7 - 12
A coastal region with fog rising from the sea. Caption: Galapagos Ecuador. Latitude, 1 degree 40 minutes North. Longitude, 89 degrees 16 minutes to 92 degrees 01 minutes West. Air Temperature, 20 to 32 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 1
29 minutes 19 seconds
Grade Level: 7 - 12
Ants climbing on the shoots of grass.
Nature's Microworlds: Insect Specials
Season 3 / Ep 2
29 minutes 19 seconds
Grade Level: 7 - 12
A butterfly with its wing spread out and sitting on a flower.
Nature's Microworlds: Insect Specials
Season 3 / Ep 3
29 minutes 30 seconds
Grade Level: 7 - 12
A locust chews on a shoot of grass.
Nature's Microworlds: Insect Specials
Season 3 / Ep 1
29 minutes 8 seconds
Grade Level: 7 - 12
A coastal region of South West Africa. Caption: Africa Namib Desert. Latitude, 19 degrees 23 minutes South. Longitude, 12 degrees 53 minutes East. Midday Dune Temperature, 50 degrees Celsius. Average Rainfall, 2 to 85 millimeters.
Nature's Microworlds
Season 1 / Ep 9
29 minutes 16 seconds
Grade Level: 7 - 12
An area on the map of Africa is highlighted, with a group of deer running in the background. Caption: Okavango Botswana. Latitude, 19 degrees to 20 degrees. Longitude, 22 degrees to 23 degrees East. Average rainfall, 450 millimeters. Temperature range, 21 degrees to 38 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 5
29 minutes 33 seconds
Grade Level: 7 - 12
An area on the map of Scotland is highlighted, and a mountain range with snow covered peaks are depicted in the background. Caption: Scottish Highlands. Latitude, 57 degrees North. Longitude, 4 degrees West. Average rainfall, 3000 millimeters. Temperature range, minus 2 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 13
29 minutes 44 seconds
Grade Level: 7 - 12
A hilly forest region of East Africa. Caption: Serengeti Tanzania. Latitude, 2 degrees 43 minutes South. Longitude, 34 degrees 85 minutes East. Average Rainfall, 700 millimeters. Temperature range, 15 to 28 degrees Celsius.
Nature's Microworlds
Season 1 / Ep 2
29 minutes 18 seconds
Grade Level: 7 - 12
An ice covered region. Caption: Svalbard Norway. Latitude, 74 degrees to 81 degrees North. Longitude, 10 degrees to 35 degrees East. Average W I.
Nature's Microworlds
Season 1 / Ep 6
29 minutes 16 seconds
Grade Level: 7 - 12
A photo depicts a region with a large number of trees and small water pockets. Fog rises from the earth.
Nature's Microworlds
Season 1 / Ep 10
29 minutes 20 seconds
Grade Level: 7 - 12
Still image from: Neuroscience: Understanding the Brain--Brain Basics
Neuroscience: Understanding the Brain
Episode 1
28 minutes 30 seconds
Grade Level: 10 - 12
Still image from: Neuroscience: Understanding the Brain--Mapping the Brain
Neuroscience: Understanding the Brain
Episode 2
28 minutes 52 seconds
Grade Level: 10 - 12
Still image from: Neuroscience: Understanding the Brain--The Developing Brain
Neuroscience: Understanding the Brain
Episode 3
28 minutes 27 seconds
Grade Level: 10 - 12
Three jellyfish of various sizes with ribbon-like and long, straight tentacles. Caption: Well, it appears one creature is a step ahead of us.
News of the Day
Episode 4
1 minutes 51 seconds
Grade Level: 7 - 12
Closeup of a mosquito with proboscis piercing human skin. Caption: When a mosquito infects a person with dengue virus,
3 minutes 17 seconds
Grade Level: 10 - 12
Recently Added
Still image from: Nutrition: How Your Body Turns Food Into Energy
2 minutes 10 seconds
Grade Level: 4 - 8
Still image from: Ocean Animals for Kids
9 minutes 50 seconds
Grade Level: 3 - 6
3 people with hats, backpacks, and cameras and several horses, some with riders, hike up a dirt trail on a mountain amongst various flora in the fall. Caption. The mountains of Baja.
Ordinary Extraordinary Junco
Episode
1 hour 32 minutes
Grade Level: 9 - 12
Closeup of terraced moss on a hillside with water dripping from it. Caption: early land plants most likely lived in moist environments.
20 minutes 42 seconds
Grade Level: 9 - 12
Still image from: Overview: Unlocking the Mysteries of Autumn Leaves
Overview
Season 1 / Ep 4
7 minutes 12 seconds
Grade Level: 10 - 12
The periodic table of elements. A grid with letters representing each element. Spanish captions.
10 minutes 40 seconds
Grade Level: K - 2
Illustration of a stalk of corn showing roots below ground and foliage above ground. Sun Light, CO2, and Sugar are above ground and Water is below ground. Caption: What vital gas is also given off in photosynthesis?
23 minutes 11 seconds
Grade Level: 10 - 12
Photosynthesis, it's a crazy, complicated process.
1 minutes 13 seconds
Grade Level: 7 - 12
A microscopic view of a leaf. The cells inside the cell membrane are  labeled as Mesophyll cells. The cells lining the lower part of the leaf are labeled, Epidermal cells. Another bundle of cells islabeled, Vascular bundle. Caption: A leaf has many different types of cells.
10 minutes 57 seconds
Grade Level: 10 - 12
Still image from: Photosynthesis
5 minutes 35 seconds
Grade Level: 3 - 6
Complex diagram showing ADP and Potassium on one side of a cell wall and ATP synthase moving through the cell wall to the other side. Caption: The enzyme uses energy from the backflow of hydrogen ions
Visualizing Cell Processes
Episode 3
14 minutes 59 seconds
Grade Level: 9 - 12
A diagram depicts the musculature of lower back. Caption: Gluteus Maximus,
Physics Girl
Season 4 / Ep 9
10 minutes 34 seconds
Grade Level: 10 - 12
Animal on the ocean floor with branch like tangled limbs. Caption: All these zooplankton are food for larger animals in the ocean.
11 minutes 8 seconds
Grade Level: 4 - 10
Stalk of grain bent from the weight of the grain, yellow flowers in background. Spanish captions.
10 minutes 15 seconds
Grade Level: K - 3
Still image from: Plant Parts
7 minutes 34 seconds
Grade Level: 3 - 6
Ripe blueberries on the bush. Spanish captions.
15 minutes 1 seconds
Grade Level: 3 - 5
Underwater view of seaweed. Spanish captions.
10 minutes 27 seconds
Grade Level: K - 3
Large pink poppies in bloom. Spanish captions.
9 minutes 59 seconds
Grade Level: K - 3
Man and woman walking with arms around each other's waist. Caption: humans are truly a privileged species,
32 minutes 14 seconds
Grade Level: 10 - 12
Person looking at a slide in a microscope. Caption: And this is a biochemistry lab.
Profiles Of Scientists And Engineers
Episode 10
6 minutes 55 seconds
Grade Level: 9 - 12
Person in a lab coat and gloves putting on protective glasses. Caption: For Rommie, being a chemist was just the beginning.
Profiles Of Scientists And Engineers
Episode 2
5 minutes 32 seconds
Grade Level: 9 - 12
Closeup view of two brown spherical objects with a haze of green substance surrounding them. Caption: Often called fire algae, some types of dinoflagellates
20 minutes 5 seconds
Grade Level: 6 - 12
Protists, single celled organisms.
1 minutes 15 seconds
Grade Level: 7 - 12
Four jets trailing colored exhaust engaging in trick maneuvers. Caption: (narrator) A g-force is the force gravity has on your body.
17 minutes 39 seconds
Grade Level: 4 - 8
Close up of the face of a person who has dark skin, brown eyes, and a wide nose. Caption: or their genes moved from place to place,
57 minutes 8 seconds
Grade Level: 10 - 12
Angular aircraft with multiple flaps on each wing sitting on a concrete deck, viewed from below. Caption: (observer) The aircraft's controlled by many movable surfaces,
Nature
Season 25 / Ep 7
29 minutes 48 seconds
Grade Level: 7 - 12
Closeup of a tick on a leaf. Lyme Disease. Caption: Ticks are carriers of Lyme disease.
Real World Science
Episode 20
13 minutes 45 seconds
Grade Level: 4 - 8
Blue tropical fish eating something from a rock covered in plants. Caption: Consumers cannot produce their own food.
Real World Science
Episode 6
10 minutes 8 seconds
Grade Level: 4 - 8
Still image from: Reptiles
9 minutes 29 seconds
Grade Level: 3 - 6
Illustration of the upper respiratory system. A tube extending from the top of the throat down into the chest is labeled as the trachea. Caption: The trachea is about 12 centimeters long
19 minutes 43 seconds
Grade Level: 9 - 12
Beakers and test tubes with colored liquid. Caption: Some chemicals irritate and damage
21 minutes 27 seconds
Grade Level: 7 - 12
Flag with an image of bigfoot on a pole next to a powerline. Caption: The discovery of Bigfoot would cause us to have to say,
1 hours 9 minutes 53 seconds
Grade Level: 10 - 12
Illustration depicts glycerol in zig zag fatty acid chains.Caption: of three fatty acid chains stuck onto a glycerol molecule.
2 minutes 7 seconds
Grade Level: 10 - 12
Ear of yellow corn combined with an ear of green corn produces an ear of yellow corn. Spanish captions.
Science And Technology (Spanish)
Episode 4
23 minutes 31 seconds
Grade Level: 6 - 12
Rows of plants being grown in a greenhouse. Spanish captions.
Science And Technology (Spanish)
Episode 5
25 minutes 25 seconds
Grade Level: 6 - 12
Illustration of an eye, hand, and mouth. Spanish captions.
Science And Technology (Spanish)
Episode 10
22 minutes 52 seconds
Grade Level: 6 - 12
Dark and light grey structures against a white background. Spanish captions.
Science And Technology (Spanish)
Episode 4
22 minutes 48 seconds
Grade Level: 6 - 12
Person in scrubs handling medical equipment. Spanish captions.
Science And Technology (Spanish)
Episode 5
22 minutes 17 seconds
Grade Level: 6 - 12
Computer model of spiral ribbon structures with hollow, hexagonal tubular structures. Caption: (male narrator) What's the best was to know a protein?
Science Nation
Episode 132
2 minutes 33 seconds
Grade Level: 10 - 12
Bat held down by cardboard restraint, pinning wings to body. Caption: how these highly-specialized creatures navigate their world.
Science Nation
Episode 233
3 minutes 36 seconds
Grade Level: 10 - 12
Woman in front of a computer screen in a dimly lit space. Caption: about impacts of night shift work on a woman's body clock.
Science Nation
Episode 154
2 minutes 33 seconds
Grade Level: 10 - 12
A gray eel. National Aquarium. Caption: an electric eel can generate enough current to stun its prey.
Science Nation
Episode 89
2 minutes 33 seconds
Grade Level: 7 - 12
Black butterflies with orange and white wings on a bright orange flower. Caption: (narrator) The colors signal to birds, "Don't eat me, I'm toxic."
Science Nation
Episode 137
2 minutes 33 seconds
Grade Level: 7 - 12
Computer screen displaying two uneven strands of light. Caption: that thrives where life would seem impossible.
Science Nation
Episode 184
4 minutes 56 seconds
Grade Level: 9 - 12
Two people moving a flat of plants. Caption: are reimagining the future of farming --
Science Nation
Episode 235
3 minutes 34 seconds
Grade Level: 10 - 12
Person picking up wood chips and putting them into a plastic bag. Caption: (Huber) Cellulose is basically stored solar energy
Science Nation
Episode 202
4 minutes 55 seconds
Grade Level: 9 - 12
Oysters in the water. Caption: is to restore the oyster ecosystem.
Science Nation
Episode 227
3 minutes 42 seconds
Grade Level: 7 - 12
Map of the world with central and southern Africa highlighted. Arrows indicate movement from there to all areas of the globe. Caption: after the first homo sapiens left Africa 100,00 years ago.
Science Nation
Episode 158
2 minutes 33 seconds
Grade Level: 9 - 12
Alligator in grass. Caption: for a population and genetics survey of alligators.
Science Nation
Episode 88
2 minutes 29 seconds
Grade Level: 10 - 12
Cross section of the human brain. Caption: creating a virtual 3-D image of the brain.
Science Nation
Episode 119
2 minutes 33 seconds
Grade Level: 9 - 12
Clear vial with a glowing pink liquid. Caption: may one day make treating cancer easier
Science Nation
Episode 198
5 minutes 18 seconds
Grade Level: 9 - 12
Small turtle held in a person's hands. Caption: studies sea turtles that are programmed from birth
Science Nation
Episode 175
2 minutes 31 seconds
Grade Level: 7 - 12
Closeup of a green, circular plant with a white center. Caption: have the ability to make diesel-like fuels.
Science Nation
Episode 50
2 minutes 45 seconds
Grade Level: 7 - 12
Large spider with variegated legs crawling on a person's fingertip. Caption: The silk is from golden orb weaver spiders.
Science Nation
Episode 164
2 minutes 33 seconds
Grade Level: 7 - 12
Person standing in front of a desk with a variety of objects. Caption: Classification is really just the arranging and categorizing
34 minutes 53 seconds
Grade Level: 6 - 8
Black salamander with yellow spots crawling on the ground. Caption: to survive in a specific habitat is a structural adaptation.
Science Video Vocab
Episode 90
5 minutes 53 seconds
Grade Level: 1 - 4
A bird standing on a rock between two cacti. Spanish captions.
Science Video Vocab (Spanish)
Episode 91
7 minutes 25 seconds
Grade Level: 1 - 4
Hummingbird hovering in the air. Caption: And they get this energy by eating and digesting food.
Science Video Vocab
Episode 80
4 minutes 1 seconds
Grade Level: 9 - 12
View of cells under a microscope. Spanish captions.
Science Video Vocab (Spanish)
Episode 74
4 minutes 1 seconds
Grade Level: 9 - 12
Field of grain like plants. Caption: such as ethanol and propanol.
Science Video Vocab
Episode 16
2 minutes 50 seconds
Grade Level: 9 - 12
A container of BioFuel. Spanish captions.
Science Video Vocab (Spanish)
Episode 10
2 minutes 50 seconds
Grade Level: 9 - 12
A large brown bird perched on a dead branch. Caption: Some birds are carnivores too.
Science Video Vocab
Episode 92
3 minutes 28 seconds
Grade Level: 1 - 4
A female lion on a brown, grassy plain. Spanish captions.
Science Video Vocab (Spanish)
Episode 86
3 minutes 46 seconds
Grade Level: 1 - 4
Graphic of light and dark blue spheres of various sizes. Caption: The food molecules fuel cellular respiration.
Science Video Vocab
Episode 108
2 minutes 40 seconds
Grade Level: 9 - 12
A duck, flamingo, and cardinal. Class is Aves. Caption: All birds are part of class Aves.
Science Video Vocab
Episode 107
3 minutes 44 seconds
Grade Level: 5 - 8
Several primates with black and white fur. Spanish captions.
Science Video Vocab (Spanish)
Episode 108
3 minutes 44 seconds
Grade Level: 5 - 8
Large turtle swimming on the ocean floor. Caption: Every living thing gets energy from food.
Science Video Vocab
Episode 101
4 minutes 43 seconds
Grade Level: 1 - 4