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Evolution

Within Science
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
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
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
Rocky coastline. Caption: Life learned to use sunlight to develop
15 minutes 8 seconds
Grade Level: 7 - 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
Fossilized dinosaur skeleton still partially encased in rock displayed next to a model of the same dinosaur. Caption: Out of those, only a few are really prepared well.
Shelf Life
Season 1 / Ep 10
6 minutes 25 seconds
Grade Level: 10 - 12
Irregular pinkish-brown shapes on a white background. Caption: you can actually really see that very fine cellular detail.
Shelf Life
Season 1 / Ep 3
6 minutes 45 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
Illustration of a fish with long, pointed fins. Cartilaginous Fish (thresher shark). Caption: those with skeletons of cartilage --
The Brain Scoop
Episode 25
6 minutes 2 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
Platypus with a duck-like snout, webbed feet, and a furry body. Caption: They're the craziest things I've seen in my life.
The Brain Scoop
Episode 9
5 minutes 44 seconds
Grade Level: 10 - 12
A diagram compares the population of the false water cobra and the cane toad. The population of poisonous cane toad is higher than that of the immune false water cobra.
The Brain Scoop
Episode 71
6 minutes 12 seconds
Grade Level: 10 - 12
A turtles swimming amongst fish. Caption: He spent just five weeks exploring here.
25 minutes 35 seconds
Grade Level: 7 - 12
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