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Evolution

Closeup of a bright orange and blue tropical flower. Spanish captions.
14 minutes 29 seconds
Grade Level: 3 - 5
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
Black and white profile photo of Charles Darwin with white hair and a beard. Title page of "The Origin of Species," appears on a dark wall next to him.
Behavioral Science
Episode 3
29 minutes 35 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
Illustration of a squid emitting a glowing cloud while a submarine passes closely. Vampire Squid. Caption: but some animals use it to warn or evade predators,
1 minutes 15 seconds
Grade Level: 7 - 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: 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: Books That Changed the World: The Origin of Species--Part 1 (Spanish)
Books That Changed the World (Spanish)
Episode 29
13 minutes 31 seconds
Grade Level: 10 - 12
Still image from: Books That Changed the World: The Origin of Species--Part 2 (Spanish)
Books That Changed the World (Spanish)
Episode 30
11 minutes 55 seconds
Grade Level: 10 - 12
Still image from: Books That Changed the World: The Origin of Species--Part 3 (Spanish)
Books That Changed the World (Spanish)
Episode 31
13 minutes 3 seconds
Grade Level: 10 - 12
Still image from: Books That Changed the World: The Origin of Species--Part 4 (Spanish)
Books That Changed the World (Spanish)
Episode 31
13 minutes 32 seconds
Grade Level: 10 - 12
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
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
ASL
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
ASL
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
ASL
Still image from: Crash Course Biology: Natural Selection
Crash Course Biology
Season 0 / Ep 114
12 minutes 25 seconds
Grade Level: 9 - 12
ASL
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
ASL
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
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 an olive green and brown Tyrannosaurus rex standing on its hind legs and tilting slightly forward.
25 minutes
Grade Level: 6 - 12
Man stands in front of a black background as he talks to us.
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
Woman stands in front of a black background as she talks to us. An image next to her shows a person crouching next to a small fire as they reach a big stick into the flames.
Eons
Season 3 / Ep 27
11 minutes 27 seconds
Grade Level: 10 - 12
Lots of Flypaper Traps with a bug stuck on one of them. Text reads, “Flypaper Traps, video courtesy of Deep Look - KQED. From their video ‘Cape Sundews Trap Bugs in A Sticky Situation.'”
Eons
Season 3 / Ep 22
9 minutes 47 seconds
Grade Level: 10 - 12
An illustration depicts a pair of reptile like dinosaurs running in a desert. Image credit: Ceri Thomas.
Eons
Season 2 / Ep 36
8 minutes 33 seconds
Grade Level: 10 - 12
Man stands in front of a black backdrop as he talks to us.
Eons
Season 3 / Ep 16
9 minutes 20 seconds
Grade Level: 10 - 12
Male lion roars at us.
Eons
Season 3 / Ep 14
7 minutes 4 seconds
Grade Level: 10 - 12
Colorful timeline labeled “Cenozoic Era” that starts at 66 MYA in light green to Present Day in light yellow. In the middle there is a dark green block labeled, “Eocene Epoch.”
Eons
Season 3 / Ep 21
8 minutes 53 seconds
Grade Level: 10 - 12
Illustration shows an interpretation of how a hell pig would look like in the desert. The pig looks like a longer warthog with a long nose and prominent cheekbones.
Eons
Season 2 / Ep 24
7 minutes 16 seconds
Grade Level: 10 - 12
A painting depicts scientists comparing Piltdown Man's remains to other species. Charles Dawson and Sir Arthur Smith Woodward are seen standing together.
Eons
Season 2 / Ep 33
9 minutes 54 seconds
Grade Level: 10 - 12
Museum with large recreations of ancient mammals such as a deer, armadillo-like animal, and a rhino ancestor with a long neck and small head called a Paraceratherium. People walk at the feet of the statues.
Eons
Season 3 / Ep 26
7 minutes 53 seconds
Grade Level: 10 - 12
Aerial view of a crocodile peeking its head up slightly above bright green water.
Eons
Season 3 / Ep 4
7 minutes 59 seconds
Grade Level: 10 - 12
Man faces camera against a black background, gesturing with both hands out and forward.
Eons
Season 3 / Ep 7
9 minutes 11 seconds
Grade Level: 10 - 12
ASL
An illustration depicts an extinct animal, the Giant Lemur.
Eons
Season 2 / Ep 37
10 minutes 9 seconds
Grade Level: 10 - 12
A large group of penguins.
Eons
Season 2 / Ep 55
10 minutes 33 seconds
Grade Level: 10 - 12
Woman talks to us in front of a black background like she's doing an interview.
Eons
Season 3 / Ep 20
8 minutes 22 seconds
Grade Level: 10 - 12
ASL
Man talks to us in front of a black background like he's doing an interview.
Eons
Season 2 / Ep 28
12 minutes 55 seconds
Grade Level: 10 - 12
White cartoon lobster with a line the same length of its tail next to it.
Eons
Season 3 / Ep 24
6 minutes 46 seconds
Grade Level: 10 - 12
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
A diagram showing the transition from Reptiles (dinosaurs and crocodile-like animal) to Archaeopteryx (feathered animal between a reptile and a bird), to Birds. Caption: between birds and reptiles.
Great Transitions
Episode 2
18 minutes 59 seconds
Grade Level: 7 - 12
Illustration of a primate standing on two legs. Caption: Ardi is neither a chimp nor is she a human.
Great Transitions
Episode 3
19 minutes 44 seconds
Grade Level: 7 - 12
Illustration of a four-legged animal standing in shallow water on top of a layer of rock. Caption: Many things must happen for an animal to be fossilized.
Great Transitions
Episode 1
17 minutes 17 seconds
Grade Level: 7 - 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
Human holding a small puppy and looking into its eyes. Caption: According to genetics,
Nature
Season 25 / Ep 12
29 minutes 49 seconds
Grade Level: 7 - 12
ASL
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
ASL
Diagram. Eight small strands with one or two red lines on them that represent DNA. The red lines are labeled two, six, seven, nine, ten, fourteen, fifteen, and X.” Next to the smaller strands is a bigger strand that is labeled “Twelve, NANOG, broken NANOG, pseudogenes.”
It's Okay to Be Smart
Season 6 / Ep 21
6 minutes 57 seconds
Grade Level: 7 - 12
ASL
Man talks to us in a room with a bookcase filled with books and knick-knacks like a Gundam toy, small globe, and a model of a space rocket.
It's Okay to Be Smart
Season 9 / Ep 3
19 minutes 27 seconds
Grade Level: 10 - 12
ASL
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
Still image from: Journey to the Microcosmos: A Microscopic Tour of Death
Journey to the Microcosmos
Season 6 / Ep 4
34 minutes 50 seconds
Grade Level: 9 - 12
Still image from: Journey to the Microcosmos: Euglenoids--Single-Celled Shapeshifters
Journey to the Microcosmos
Season 1 / Ep 12
9 minutes 14 seconds
Grade Level: 9 - 12
Still image from: Journey to the Microcosmos: Life Without Oxygen? Challenge Accepted
Journey to the Microcosmos
Season 1 / Ep 15
10 minutes 4 seconds
Grade Level: 9 - 12
Still image from: Journey to the Microcosmos: The Remarkable Mystery of Land Plants
Journey to the Microcosmos
Season 6 / Ep 3
12 minutes 27 seconds
Grade Level: 9 - 12
Still image from: Journey to the Microcosmos: Where Did Eukaryotic Cells Come From?
Journey to the Microcosmos
Season 1 / Ep 5
10 minutes 1 seconds
Grade Level: 9 - 12
Rocky coastline. Caption: Life learned to use sunlight to develop
15 minutes 8 seconds
Grade Level: 7 - 12
Cheetah reclining in the grass. Caption: how did that extraordinary hunting speed evolve?
28 minutes 17 seconds
Grade Level: 6 - 9
Split image of a small shoot of corn and a fully developed ear of yellow corn. Caption: could be the ancestor of maize.
17 minutes 51 seconds
Grade Level: 9 - 12
Bat with wings extended spots on the rib of one wing highlighted. Caption: We're interested in bat flight mechanics and how they fly.
Science Nation
Episode 169
2 minutes 34 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
Icons of people placed all around the world with lines connecting them to each other. Facebook helps you connect and share with the people in your life. Caption: We've taken that research online, looking at Facebook.
Science Nation
Episode 204
2 minutes 30 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
Small lizard on a hand. Caption: They are the same species but may be diverging into two.
Science Nation
Episode 224
3 minutes 49 seconds
Grade Level: 7 - 12
Two monkeys in a cage. Caption: (narrator) Our language skills sets us apart from our primate cousins.
Science Nation
Episode 174
2 minutes 31 seconds
Grade Level: 10 - 12
Fish with a suction cup at the mouth area holding on to a nearly vertical surface. Caption: and suction cup that holds to the surface.
Science Nation
Episode 49
3 minutes 8 seconds
Grade Level: 7 - 12
Still image from: SciShow Kids: Our Ancient Human Cousins
SciShow Kids
Season 2018 / Ep 8
4 minutes 15 seconds
Grade Level: 3 - 5
Still image from: SciShow: Why Are There Righties & Lefties?
SciShow
Season 2013 / Ep 88
2 minutes 31 seconds
Grade Level: 10 - 12
Still image from: SciShow: Why Do We Kiss
SciShow
Season 2013 / Ep 133
3 minutes 40 seconds
Grade Level: 10 - 12
Still image from: SciShow: Why No Giant Mammals
SciShow
Season 2013 / Ep 62
3 minutes 2 seconds
Grade Level: 10 - 12
A herd of elephants. Caption: Some elephant populations seem to be missing their tusks.
6 minutes 39 seconds
Grade Level: 10 - 12
The Amoeba sisters present the heading, natural selection.
The Amoeba Sisters
Episode
7 minutes 48 seconds
Grade Level: 7 - 12
Two cartoon characters with a DNA strand. Speciation.
The Amoeba Sisters
Episode
7 minutes 59 seconds
Grade Level: 7 - 12
Split image of aerial view of city blocks next and a smiling person. Caption: It's the legacy of an evolutionary balancing act
18 minutes 57 seconds
Grade Level: 10 - 12
Small stingray with dye coloring parts of the internal structure. Caption: and use different stains to stain parts of the skeleton.
The Brain Scoop
Episode 34
6 minutes 47 seconds
Grade Level: 10 - 12
People holding very small skeletons. Caption: Like you and I, there are five lumbar vertebrae,
The Brain Scoop
Episode 12
5 minutes 16 seconds
Grade Level: 10 - 12
Person running. Caption: This frees our lower back, the lumbar, for movement.
The Brain Scoop
Episode 35
4 minutes 42 seconds
Grade Level: 10 - 12
Flock of large birds landing on the shore and in the water. Caption: the wildlife simply adapts to the new conditions.
23 minutes 20 seconds
Grade Level: 10 - 12
Two almost identical fish. One is larger and has an extra fin on the bottom of its body. Below each fish is a strand of DNA with the same section highlighted. Caption: changes in form are ultimately due to changes in genes.
The Making Of The Fittest
Episode 4
15 minutes 26 seconds
Grade Level: 10 - 12
People wrapped in cloth holding walking sticks, herding a large herd of bovine. Caption: people started domesticating animals for food,
The Making Of The Fittest
Episode 5
14 minutes 56 seconds
Grade Level: 10 - 12
Graphic of a strand of DNA with the C-G-A-T protein sequences. Caption: A mutation is a change in the chemical letters
The Making Of The Fittest
Episode 1
10 minutes 24 seconds
Grade Level: 10 - 12
 A large bird flying through the sky. Spanish captions.
The Making Of The Fittest
Episode 6
10 minutes 29 seconds
Grade Level: 10 - 12
Magnified view of red, spherical objects. Caption: Then he tested for the sickle cell character.
The Making Of The Fittest
Episode 3
14 minutes 3 seconds
Grade Level: 10 - 12
Blood cells flowing through a vein. Spanish captions.
The Making Of The Fittest
Episode 7
14 minutes 6 seconds
Grade Level: 10 - 12
Close up of a small, spiny, translucent fish. Caption: The fish absorb enough oxygen from the sea
The Making Of The Fittest
Episode 2
13 minutes 9 seconds
Grade Level: 10 - 12
Illustrated image of a wing. Caption: So a wing would have evolved from a forelimb in stages.
8 minutes 15 seconds
Grade Level: 10 - 12
Graphic of four islands close to each other. Each island has lizards on it. Caption: evolved independently on each island.
The Origin of Species
Episode 3
17 minutes 49 seconds
Grade Level: 9 - 12
Graphic of island with birds that are similar except for coloring. Caption: They had become distinct species.
The Origin of Species
Episode 2
15 minutes 59 seconds
Grade Level: 7 - 12
Multi-sailed ship on the ocean as seen from above. Caption: Darwin jumped at the chance to sail around the world
The Origin of Species
Episode 1
30 minutes 56 seconds
Grade Level: 7 - 12
Collection of sharp tools made from stone. Caption: Stone-tool technology designed to create sharp edges.
5 minutes 41 seconds
Grade Level: 7 - 12
Microscopic view of small, tube-like structures. Caption: Two kinds of cells make up the living world:
15 minutes 44 seconds
Grade Level: 9 - 12
A turtles swimming amongst fish. Caption: He spent just five weeks exploring here.
25 minutes 35 seconds
Grade Level: 7 - 12
A shark jumps out of the water surface with prey in its mouth.
Your Inner Fish
Season 0 / Ep 1
55 minutes 26 seconds
Grade Level: 10 - 12
A lizard like creature standing on the bank of a river. Lightning strikes the land across the river.
Your Inner Fish
Season 0 / Ep 2
55 minutes 31 seconds
Grade Level: 10 - 12
A person holds a baby chimpanzee.
Your Inner Fish
Season 0 / Ep 3
55 minutes 1 seconds
Grade Level: 10 - 12