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How Do Sharks and Rays Use Electricity to Find Hidden Prey?

How Do Sharks and Rays Use Electricity to Find Hidden Prey?

Season 2 Episode 5
3:50
Nature's Mood Rings: How Chameleons Really Change Color

Nature's Mood Rings: How Chameleons Really Change Color

Season 2 Episode 6
3:38
You're Not Hallucinating. That's Just Squid Skin.

You're Not Hallucinating. That's Just Squid Skin.

Season 2 Episode 7
3:17
Why Jellyfish Float Like a Butterfly—And Sting Like a Bee

Why Jellyfish Float Like a Butterfly—And Sting Like a Bee

Season 2 Episode 8
2:55
Watch Flesh-Eating Beetles Strip Bodies to the Bone

Watch Flesh-Eating Beetles Strip Bodies to the Bone

Season 2 Episode 9
3:00
What Makes Owls So Quiet and So Deadly?

What Makes Owls So Quiet and So Deadly?

Season 2 Episode 10
2:58
Nature's Scuba Divers: How Beetles Breathe Underwater

Nature's Scuba Divers: How Beetles Breathe Underwater

Season 2 Episode 11
2:53
The Sex Lives of Christmas Trees

The Sex Lives of Christmas Trees

Season 2 Episode 12
2:41
Have You Met a Hagfish? It’s About Slime.

Have You Met a Hagfish? It’s About Slime.

Season 10 Episode 1
3:52
Earthworm Love is Cuddly ... and Complicate

Earthworm Love is Cuddly ... and Complicated

Season 10 Episode 2
4:10
How Does the Mussel Grow its Beard?

How Does the Mussel Grow its Beard?

Season 10 Episode 3
4:00
Toad Tongues Slay With Seriously Sticky Spit

What Makes This Frog's Tongue So Fast AND Sticky?

Season 10 Episode 4
3:36
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Deep Look

Can A Thousand Tiny Swarming Robots Outsmart Nature?

Season 2 Episode 4

How does a group of animals -- or cells, for that matter -- work together when no one's in charge? Tiny swarming robots--called Kilobots--work together to tackle tasks in the lab, but what can they teach us about the natural world?
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In the Race for Life, Which Human Embryos Make It?
3:38
Season 1 Episode 8
In the Race for Life, Which Human Embryos Make It?
Every one of us started out as an embryo.
How Electric Light Changed the Night
3:05
Season 1 Episode 7
How Electric Light Changed the Night
Artificial light makes the modern world possible.
The Fantastic Fur of Sea Otters
3:23
Season 1 Episode 6
The Fantastic Fur of Sea Otters
Sea otters aren't just cute -- they're a vivid example of life on the edge.
What Gives the Morpho Butterfly Its Magnificent Blue?
3:03
Season 1 Episode 5
What Gives the Morpho Butterfly Its Magnificent Blue?
What does it mean to be blue?
The Hidden Perils of Permafrost
3:11
Season 1 Episode 4
The Hidden Perils of Permafrost
Mysterious bacteria lay dormant in the Arctic permafrost.
What Gall! The Crazy Cribs of Parasitic Wasps
2:58
Season 1 Episode 3
What Gall! The Crazy Cribs of Parasitic Wasps
Plenty of animals build their homes in oak trees.
The Amazing Life of Sand
2:46
Season 1 Episode 2
The Amazing Life of Sand
There's a story in every grain of sand.
Pygmy Seahorses: Masters of Camouflage
2:26
Season 1 Episode 1
Pygmy Seahorses: Masters of Camouflage
Pygmy seahorses survive by attaching to vibrant corals.
Deep Look Season 12
4:54
Episode 1
Want a Cozy, Free Home? Ask This Caterpillar How
After growing up inside a “grass taco,” a grass skipper butterfly emerges and woos a mate.
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