See the unseen at the very edge of our visible world. Get a new perspective on our place in the universe and meet extraordinary new friends. Explore big scientific mysteries by going incredibly small.
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Extra Life: A Short History of Living Longer
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4:33
Deep Look
Ever Seen a Starfish Gallop?
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Episode
4:25
Deep Look
Leaf Miner Fly Babies Scribble All Over Your Salad
This fly’s larvae tunnel inside greens like arugula and kale, leaving squiggly marks.
Episode
4:15
Deep Look
Why Did the Mexican Jumping Bean Jump?
Each seed is home to a head-banging moth larva, trying to survive the Sonoran Desert sun.
Episode
5:01
Deep Look
Born Pregnant: Aphids Invade With an Onslaught of Clones
Female aphids are matriarchs of a successful family operation — taking over your garden.
Episode
4:36
Deep Look
Firebrats and Silverfish Are Rocking Some Old-School Looks
Firebrats and silverfish are pretty darn similar to some of the earliest insects on Earth.
Episode
4:11
Deep Look
These Acrobatic Beach Hoppers Shred All Night Long
After sunset, tiny crustaceans called beach hoppers emerge from sandy underground burrows.
Episode
4:12
Deep Look
These Mites Rain Down To Save Your Strawberries
Two tiny mites duke it out on strawberry plants throughout California.
Episode
4:00
Deep Look
These Silk-Swinging Caterpillars Will Ruin Your Picnic
California oak moth caterpillars eat all the leaves on an oak. Will the tree survive?
Episode
4:33
Deep Look
Here’s How That Annoying Fly Dodges Your Swatter
Don't despair – there *is* a trick to smacking these infuriating insects.
Episode
4:14
Deep Look
See Sea Hares Scour Seagrass by the Seashore
These sea slugs may look lazy, but eelgrass sea hares are actually environmental heroes.
Episode
4:33
Deep Look
Ever Seen a Starfish Gallop?
They may look cute and colorful, but starfish are actually voracious predators.
Science & Nature
Preview
0:30
Extra Life: A Short History of Living Longer
Preview
Episode
56:53
Canyons & Ice: The Last Run of Dick Griffith
CANYONS & ICE: The Last Run of Dick Griffith
Preview
0:30
Human: The World Within
Episode 6 Preview | React
Preview
0:30
Human: The World Within
Episode 1 Preview | Birth
Clip
2:46
Human: The World Within
Proprioception - The Sixth Sense
Clip
2:45
Human: The World Within
Engineering Lost Function Inside the Body
Clip
5:09
Life at the Waterhole
Face-to-face with an Elephant
Clip
2:54
Life at the Waterhole
Herd Love Is In the Air
Clip
3:00
Life at the Waterhole
Insects Swarm and a Family Nests
Clip
2:32
Life at the Waterhole
A Spotted Hyena Arrives
Clip
4:38
Greta Thunberg: A Year to Change the World
Direct Air Capture
Clip
4:23
Greta Thunberg: A Year to Change the World
COVID-19's Impact on Climate
Clip
3:55
Greta Thunberg: A Year to Change the World
Reindeer Face Starvation
Clip
4:25
Greta Thunberg: A Year to Change the World
Athabasca Glacier
Clip
2:16
Extinction: The Facts
The Last Two White Rhinos
Preview
0:30
Extinction: The Facts
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Special
Extinction: The Facts
Extinction: The Facts
Episode
48:30
Europe's New Wild
The Missing Lynx
Episode
48:30
Europe's New Wild
Return of the Titans
Preview
0:30
Europe's New Wild
Episode 4 Preview | Europe's Amazon
Preview
0:30
Europe's New Wild
Episode 2 Preview | Return of the Titans
Episode
55:47
When Disaster Strikes
A Perfect Storm
Episode
55:16
When Disaster Strikes
Paradise Lost
Episode
55:13
When Disaster Strikes
The Silent Killer
Preview
0:30
When Disaster Strikes
Episode 3 Preview | Paradise Lost
Special
The Brain Revolution
The Brain Revolution
Episode
5:21
Human Elements
Think Like an Octopus
Episode
6:08
Human Elements
The Translator
Episode
5:58
Human Elements
Tracking Invisible Cats
Episode
5:26
Human Elements