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Biology

Within Science
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
ASL
Text reads, “Algae,” against a black and green background.
9 minutes 2 seconds
Grade Level: 3 - 6
Standing outside are two women; one is wearing butterfly wings and a headband with pink antennas, while the other holds a camera.
5 minutes 6 seconds
Grade Level: 4 - 8
ASL
Text reads, “All About Trees,” against a blurry green background.
10 minutes 18 seconds
Grade Level: 3 - 6
Teacher uses a hair clip attached to her arm to hold a ball of yellow clay, demonstrating how a bee carries pollen.
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
ASL
Digital illustration of a frog sitting atop a tiny island, stretching its tongue away from it. Text above reads, “Amphibians!”
9 minutes 2 seconds
Grade Level: 3 - 6
ASL
Digital Illustration of green tropical leaves reaching out over a blue background. Text reads, “Animal Adaptations.”
8 minutes 30 seconds
Grade Level: 3 - 6
ASL
Text reads, “Animal Behaviors” against a background that shows three rows of animals in various shapes, sizes, and colors. At the top are dogs, in the middle are cats, and on the bottom are fish.
8 minutes 38 seconds
Grade Level: 4 - 8
ASL
Text reads, "Animal Camouflage" against a backdrop of hexagons that resemble snakeskin.
9 minutes 19 seconds
Grade Level: 4 - 8
ASL
Digital art shows a bee and a duck posed in a dance move, pointing to the right. Between them is the text, “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.
9 minutes 14 seconds
Grade Level: 10 - 12
Hairy body of a large and leggy tarantula illuminated from behind.
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
ASL
On the left of the screen, under the label “Bacteria,” we see a magnified photo of several rods of bacteria. On the right, under the label “Viruses,” we see a magnified photo of several spherical virus cells.
8 minutes 29 seconds
Grade Level: 4 - 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
Two women sitting at a desk look at us with curiosity. Caption reads: “Facebook Question: Sheila, Indianapolis.”
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: Bizarre Beasts: A Deep Sea Ghost
Bizarre Beasts
Season 0 / Ep 25
4 minutes 13 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: A Feast of Bones
Bizarre Beasts
Season 0 / Ep 27
4 minutes 11 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: A Living Tube With Little Tube Feet
Bizarre Beasts
Season 0 / Ep 29
4 minutes 45 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: An Eel Reveal
Bizarre Beasts
Season 0 / Ep 38
5 minutes 17 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Extinction, a Pyramid Scheme, and the World's Largest Salamander
Bizarre Beasts
Season 0 / Ep 20
6 minutes 48 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Figs Eat Wasps Before You Eat the Fig
Bizarre Beasts
Season 0 / Ep 41
6 minutes 13 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Fly Through the Water Like a Deep Sea Skate
Bizarre Beasts
Season 0 / Ep 33
4 minutes 52 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Hank Eats Weird Stuff, Does Weird Things
Bizarre Beasts
Season 0 / Ep 10
2 minutes 11 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: How an Invasive Snail May Save an Endangered Bird
Bizarre Beasts
Season 0 / Ep 26
8 minutes 23 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: How One Crab Got Fuzzy to Live Without the Sun
Bizarre Beasts
Season 0 / Ep 6
7 minutes 2 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: How One Spider Became (Mostly) Vegetarian
Bizarre Beasts
Season 0 / Ep 8
6 minutes 33 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: How the Solenodon Became Venomous
Bizarre Beasts
Season 0 / Ep 9
6 minutes 20 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: How the Wombat Poops Cubes
Bizarre Beasts
Season 0 / Ep 13
6 minutes 35 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Is This Weird Animal Our Closest Relative?
Bizarre Beasts
Season 0 / Ep 32
6 minutes 5 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Living Soap Bubbles With Tentacles
Bizarre Beasts
Season 0 / Ep 31
4 minutes 57 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Meet the Air-Breathing Fish With Poisonous Eggs
Bizarre Beasts
Season 0 / Ep 11
6 minutes 52 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: New Zealand Glowworms Eat Like Spiders
Bizarre Beasts
Season 0 / Ep 37
7 minutes 5 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Not a Vampire...or a Squid
Bizarre Beasts
Season 0 / Ep 40
4 minutes 55 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Tenrecs Will Not Stay in Their Lane
Bizarre Beasts
Season 0 / Ep 44
6 minutes 45 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The Bizarre Beast That Smells Like Popcorn
Bizarre Beasts
Season 0 / Ep 3
6 minutes 42 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: The Bizarre Beast With Claws on Its Wings
Bizarre Beasts
Season 0 / Ep 2
6 minutes 12 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: The Bizarre Beast With Clear Blood
Bizarre Beasts
Season 0 / Ep 5
7 minutes 23 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: The Bizarre Beast With Glowing Bones
Bizarre Beasts
Season 0 / Ep 1
6 minutes 51 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: The Bizarre Beast With Pointy Ribs
Bizarre Beasts
Season 0 / Ep 4
6 minutes 48 seconds
Grade Level: 6 - 12
Still image from: Bizarre Beasts: The Frog That Swallowed Its Young
Bizarre Beasts
Season 0 / Ep 16
6 minutes 21 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The Ocean Bug That Can't Get Wet
Bizarre Beasts
Season 0 / Ep 15
7 minutes 6 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The Primate That Might Hold the Key to Long Distance Space Travel
Bizarre Beasts
Season 0 / Ep 19
6 minutes 30 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The Shark That Eats Seagrass
Bizarre Beasts
Season 0 / Ep 24
6 minutes 5 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The Strange Thing That Turns Grasshoppers Into Locusts
Bizarre Beasts
Season 0 / Ep 22
6 minutes 8 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The Two-Legged Reptile That Hears With Its Skin
Bizarre Beasts
Season 0 / Ep 28
7 minutes 14 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The Weird Thing Storks Can Smell
Bizarre Beasts
Season 0 / Ep 18
5 minutes 45 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The World Used to Be Full of Giant Tortoises
Bizarre Beasts
Season 0 / Ep 39
5 minutes 39 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: The World's Longest Non-Stop Flight
Bizarre Beasts
Season 0 / Ep 35
5 minutes 34 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: This Bacteria Changed Our World
Bizarre Beasts
Season 0 / Ep 23
6 minutes 45 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: This Clam Sinks Ships
Bizarre Beasts
Season 0 / Ep 30
7 minutes 9 seconds
Grade Level: 7 - 10
Still image from: Bizarre Beasts: This Frog Is Bad at Basically Everything
Bizarre Beasts
Season 0 / Ep 34
7 minutes 5 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: This Is Not a Crab
Bizarre Beasts
Season 0 / Ep 36
5 minutes 21 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: This Lizard Cures Lyme Disease (in Ticks)
Bizarre Beasts
Season 0 / Ep 14
6 minutes 45 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: This Slimy Fish Ties Itself in Knots
Bizarre Beasts
Season 0 / Ep 17
7 minutes 14 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: We Finally Know Where Eels Come From
Bizarre Beasts
Season 0 / Ep 45
6 minutes 18 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: We Want You to Smell Like an Animal
Bizarre Beasts
Season 0 / Ep 43
2 minutes 51 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: What if Your Butt Swam Away
Bizarre Beasts
Season 0 / Ep 42
6 minutes 4 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Why Elephant Seals Drop Beats
Bizarre Beasts
Season 0 / Ep 21
6 minutes 23 seconds
Grade Level: 7 - 12
Still image from: Bizarre Beasts: Why This Nocturnal Parrot Only Breeds When Summer Is Hot
Bizarre Beasts
Season 0 / Ep 7
6 minutes 38 seconds
Grade Level: 6 - 12
ASL
Title text reads, “Bones,” against a black background with several gray 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
ASL
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
Two arachnids lying on their backs; one has a small abdomen and the other a large abdomen, displaying the bug’s ability to expand its body when it eats.
3 minutes 52 seconds
Grade Level: 2 - 5
Two women wearing headlamps walk out of a dark cave onto mossy rocks.
5 minutes
Grade Level: 4 - 8
ASL
Title text reads, “Bugs!” against a black background.
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
ASL
Title text reads, “Butterflies," against a bakcground that shows the dark silhouette of a butterfly.
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
ASL
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
ASL
Woman in a lab coat sits for an interview in a lab with many cabinets and lab equipment on the counter behind her. Text reads, “Bela Peethambaran, PhD. Biologist.”
Career Q&A: Professional Advice and Insight
Episode 14
14 minutes 21 seconds
Grade Level: 7 - 12
Illustration of a smiling green Calcium nutrient with a charge of two. Text reads, “Divalent Cation.”
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
ASL
Digital rendering of magnified cells floating in the dark. Text reads, “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
ASL
Title text reads, "Coral Reefs," against a black background.
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
Still image from: Crash Biology: Mitosis Splitting Up Is Complicated
Crash Course Biology
Season 0 / Ep 112
10 minutes 26 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Animal Behavior
Crash Course Biology
Season 0 / Ep 125
10 minutes 25 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Animal Development We're Just Tubes
Crash Course Biology
Season 0 / Ep 116
11 minutes 22 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: ATP and Respiration
Crash Course Biology
Season 0 / Ep 107
13 minutes 1 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Biological Molecules--You Are What You Eat
Crash Course Biology
Season 0 / Ep 103
13 minutes 46 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Carbon...So Simple
Crash Course Biology
Season 0 / Ep 101
9 minutes 38 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Chordates
Crash Course Biology
Season 0 / Ep 124
11 minutes 39 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Circulatory and Respiratory Systems
Crash Course Biology
Season 0 / Ep 127
11 minutes 12 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Comparative Anatomy--What Makes Us Animals
Crash Course Biology
Season 0 / Ep 121
8 minutes 25 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Complex Animals--Annelids and Arthropods
Crash Course Biology
Season 0 / Ep 123
12 minutes 39 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: DNA Hot Pockets and the Longest Word Ever
Crash Course Biology
Season 0 / Ep 111
13 minutes 38 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: DNA Structure and Replication
Crash Course Biology
Season 0 / Ep 110
12 minutes 41 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Ecology--Rules for Living on Earth
Crash Course Biology
Season 0 / Ep 40
9 minutes 49 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Eukaryopolis--The City of Animal Cell
Crash Course Biology
Season 0 / Ep 104
11 minutes 12 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Evolution--It's a Thing
Crash Course Biology
Season 0 / Ep 120
11 minutes 13 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Evolutionary Development Chicken Teeth
Crash Course Biology
Season 0 / Ep 117
10 minutes 20 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Fungi--Death Becomes Them
Crash Course Biology
Season 0 / Ep 139
11 minutes 20 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Great Glands--Your Endocrine System
Crash Course Biology
Season 0 / Ep 133
10 minutes 59 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Heredity
Crash Course Biology
Season 0 / Ep 109
9 minutes 59 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Meiosis Where the Sex Starts
Crash Course Biology
Season 0 / Ep 113
11 minutes 14 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Membranes and Transport
Crash Course Biology
Season 0 / Ep 105
11 minutes 21 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Natural Selection
Crash Course Biology
Season 0 / Ep 114
12 minutes 25 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Old and Odd Archaea, Bacteria, and Protists
Crash Course Biology
Season 0 / Ep 135
11 minutes 51 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Photosynthesis
Crash Course Biology
Season 0 / Ep 108
12 minutes 49 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Plant Cells
Crash Course Biology
Season 0 / Ep 106
10 minutes 3 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Population Genetics When Darwin Met Mendel
Crash Course Biology
Season 0 / Ep 118
10 minutes 43 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Simple Animals--Sponges, Jellies, and Octopuses
Crash Course Biology
Season 0 / Ep 122
11 minutes 3 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Speciation of Ligers and Men
Crash Course Biology
Season 0 / Ep 115
10 minutes 4 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Taxonomy Life's Filing System
Crash Course Biology
Season 0 / Ep 119
11 minutes 53 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: The Digestive System
Crash Course Biology
Season 0 / Ep 128
11 minutes 27 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: The Muscular System
Crash Course Biology
Season 0 / Ep 131
12 minutes 40 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: The Nervous System
Crash Course Biology
Season 0 / Ep 126
11 minutes 37 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: The Plants and the Bees--Plant Reproduction
Crash Course Biology
Season 0 / Ep 138
9 minutes 48 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: The Reproductive System--How Gonads Go
Crash Course Biology
Season 0 / Ep 134
11 minutes 32 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: The Sex Lives of Nonvascular Plants--Alternation of Generations
Crash Course Biology
Season 0 / Ep 136
9 minutes 40 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: The Skeletal System--It's ALIVE!
Crash Course Biology
Season 0 / Ep 130
12 minutes 42 seconds
Grade Level: 9 - 10
Still image from: Crash Course Biology: Vascular Plants = Winning!
Crash Course Biology
Season 0 / Ep 137
11 minutes 25 seconds
Grade Level: 9 - 12
Still image from: Crash Course Biology: Water--Liquid Awesome
Crash Course Biology
Season 0 / Ep 102
11 minutes 2 seconds
Grade Level: 9 - 12
Still image from: Crash Course Chemistry: Polymers
Crash Course Chemistry
Episode 45
10 minutes 9 seconds
Grade Level: 9 - 12
Still image from: Crash Course Earth Science: How to Get Resources--Picky Pineapples
Crash Course Kids Earth Science
Season 0 / Ep 2
3 minutes 2 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Earth Science: Dinosaur Pee?
Crash Course Kids Earth Science
Season 0 / Ep 10
4 minutes 47 seconds
Grade Level: 3 - 6
Still image from: Crash Course Kids Earth Science: Resources--Welcome to the Neightborhood
Crash Course Kids Earth Science
Season 0 / Ep 1
3 minutes 13 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Life Science: Fabulous Food Chains
Crash Course Kids Life Science
Episode 3
3 minutes 24 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Life Science: Feed Me--Classifying Organisms
Crash Course Kids Life Science
Episode 2
3 minutes 13 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Life Science: Food Webs
Crash Course Kids Life Science
Episode 9
3 minutes 51 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Life Science: Gotta Eat!
Crash Course Kids Life Science
Episode 1
2 minutes 55 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Life Science: Living Things Change
Crash Course Kids Life Science
Episode 12
4 minutes 36 seconds
Grade Level: 3 - 6
Still image from: Crash Course Kids Life Science: Look Who's Talking
Crash Course Kids Life Science
Episode 11
4 minutes 32 seconds
Grade Level: 3 - 6
Still image from: Crash Course Kids Life Science: The Dirt on Decomposers
Crash Course Kids Life Science
Episode 4
3 minutes 18 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Life Science: Who Needs Dirt?
Crash Course Kids Life Science
Episode 10
4 minutes 14 seconds
Grade Level: 3 - 6
Still image from: Crash Course Kids Physical Science: Hunting for Properties
Crash Course Kids Physical Science
Episode 9
3 minutes 59 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Physical Science: Particles of Your World
Crash Course Kids Physical Science
Episode 8
3 minutes 48 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Physical Science: The Great Picnic Mix Up
Crash Course Kids Physical Science
Episode 13
4 minutes 10 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Physical Science: What's Matter
Crash Course Kids Physical Science
Episode 7
3 minutes 30 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Space Science: Vegetation Transformation
Crash Course Kids Space Science
Episode 2
2 minutes 59 seconds
Grade Level: 4 - 8
Still image from: Crash Course Kids Space Science: Why No Polar Pineapples
Crash Course Kids Space Science
Episode 6
3 minutes 32 seconds
Grade Level: 4 - 8
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
ASL
Still image from: Deadly Predators: Predator Power
Deadly Predators
Episode 3
28 minutes 8 seconds
Grade Level: 6 - 12
ASL
Still image from: Deadly Predators: Super Senses
Deadly Predators
Episode 4
28 minutes 6 seconds
Grade Level: 6 - 12
ASL
Still image from: Deadly Predators: Wicked Weapons
Deadly Predators
Episode 5
28 minutes 9 seconds
Grade Level: 6 - 12
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
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