Why We Kiss

We're Wired That Way

Why We Kiss

When it comes to romantic kissing, only about 46% of contemporary cultures do it. Get the story behind this learned behavior. more

Why We Cry

The Science of Healing

The Science of Healing

The Science of Cute

The Science of Cute

Why We Lie

Sharks Light Up in Neon Colors

Sharks Light Up in Neon Colors

I Didn't Know That: Milking a Cow

I Didn't Know That: Milking a Cow

Body Farm

Tiny Frogs Contain Big Evolutionary Surprise

Tiny Frogs Contain Big Evolutionary Surprise

Watch: Tiny Hydra Rips Its Mouth Open to Eat

Watch: Tiny Hydra Rips Its Mouth Open to Eat

Raising Cute Pandas: It's Complicated

Raising Cute Pandas: It's Complicated

Mother Rat Saves Baby from Snake

Mother Rat Saves Baby from Snake

Mind-Blowing Camouflage Starts With These Animals’ Unusual Eyes

Mind-Blowing Camouflage Starts With These Animals’ Unusual Eyes

Watch: Pig Lungs Filter Human Blood in a Lab

Watch: Pig Lungs Filter Human Blood in a Lab

DNA Hacking Tool Enables Shortcut to Evolution

DNA Hacking Tool Enables Shortcut to Evolution

Mysterious Purple Blob Surprises Scientists

Mysterious Purple Blob Surprises Scientists

Why This Museum Stores Thousands of Dead Animals in Its Freezer

Why This Museum Stores Thousands of Dead Animals in Its Freezer

What are Comb Jellies and Why is Their Poop Important?

What are Comb Jellies and Why is Their Poop Important?

First Ever Footage: Watch Coral Bleaching Happen Before Your Eyes

First Ever Footage: Watch Coral Bleaching Happen Before Your Eyes

Stunning Close-ups: Meet These Frogs Before They Go Extinct

Stunning Close-ups: Meet These Frogs Before They Go Extinct

Watch: Cockroach ‘Gives Birth’ While Being Devoured By Fire Ants

Watch: Cockroach ‘Gives Birth’ While Being Devoured By Fire Ants

How to Train a Bumblebee: Scientists Study Insect Intelligence

How to Train a Bumblebee: Scientists Study Insect Intelligence

Pearl Harbor Hero Returns Home After 75 Years in an Unknown Grave

Pearl Harbor Hero Returns Home After 75 Years in an Unknown Grave

See What Happens When You Tickle a Rat

See What Happens When You Tickle a Rat

See the Awesome Wrestling Moves of the Leaf-Footed Insect

See the Awesome Wrestling Moves of the Leaf-Footed Insect

Why These Cute Little Lizards Are Changing Colors to Survive

Why These Cute Little Lizards Are Changing Colors to Survive

Do You See a Snake or a Spider?

Do You See a Snake or a Spider?

To a Moose, Your Car Is Just One Big Salty Popsicle

To a Moose, Your Car Is Just One Big Salty Popsicle

First Look: Rare Ruby Seadragon Filmed in the Wild

First Look: Rare Ruby Seadragon Filmed in the Wild

Tracking Frogs In the Amazon Rain Forest

Tracking Frogs In the Amazon Rain Forest

Deadly Trick: See How a Puff Adder Uses Its Tongue to Lure Prey

Deadly Trick: See How a Puff Adder Uses Its Tongue to Lure Prey

Meet a Squid With One Weird Eye

Meet a Squid With One Weird Eye

Why Do Women Live Longer Than Men?

Why Do Women Live Longer Than Men?

New Discovery: Are These the Oldest Fossils Ever Found?

New Discovery: Are These the Oldest Fossils Ever Found?

One of the World's Weirdest Fish

One of the World's Weirdest Fish

Chasing Microbes: The Secret Superheroes of Our Planet

Chasing Microbes: The Secret Superheroes of Our Planet

How Did These Ancient Bugs Attract Mates? Rare Amber Find Tells Us

How Did These Ancient Bugs Attract Mates? Rare Amber Find Tells Us

Artificial Female Reproductive Tract Opens New Health Frontiers

Artificial Female Reproductive Tract Opens New Health Frontiers

Koalas Are Suddenly Behaving Strangely. Why?

Koalas Are Suddenly Behaving Strangely. Why?

All This Dazzling Wildlife Lives on One Small Island

All This Dazzling Wildlife Lives on One Small Island

Once, This Island Had Just One Tree—Look at It Now

Once, This Island Had Just One Tree—Look at It Now

What It Takes to Film Hummingbirds in Slow Motion

What It Takes to Film Hummingbirds in Slow Motion

How to Film the Fastest Shark in the Ocean

How to Film the Fastest Shark in the Ocean

This Strange Worm's Mouth Is Also Its Anus

This Strange Worm's Mouth Is Also Its Anus

What Makes Mako Sharks the Fastest Sharks in the Ocean?

What Makes Mako Sharks the Fastest Sharks in the Ocean?

Why These Tiny Ocean Creatures Are Eating Plastic

Why These Tiny Ocean Creatures Are Eating Plastic

The Science of Addiction: Here's Your Brain on Drugs

The Science of Addiction: Here's Your Brain on Drugs

See a Mysterious Blob Found in Canada

See a Mysterious Blob Found in Canada

New Amazon Species Discovered Every Other Day

New Amazon Species Discovered Every Other Day

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