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Evolution

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
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
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
A turtles swimming amongst fish. Caption: He spent just five weeks exploring here.
25 minutes 35 seconds
Grade Level: 7 - 12