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These Fighting Fruit Flies Are Superheroes of Brain Science

These Fighting Fruit Flies Are Superheroes of Brain Science

Season 4 Episode 7
3:35
Identical Snowflakes? Scientist Ruins Winter For Everyone

Identical Snowflakes? Scientist Ruins Winter For Everyone

Season 4 Episode 8
4:04
How Do Pelicans Survive Their Death-Defying Dives?

How Do Pelicans Survive Their Death-Defying Dives?

Season 4 Episode 9
3:21
Decorator Crabs Make High Fashion at Low Tide

Decorator Crabs Make High Fashion at Low Tide

Season 4 Episode 10
3:15
Behind the Scenes With Deep Look: The Diva Decorator Crabs

Behind the Scenes With Deep Look: The Diva Decorator Crabs

Season 4 Episode 11
3:20
These Fish Are All About Sex on the Beach

These Fish Are All About Sex on the Beach

Season 4 Episode 12
3:06
A Real Alien Invasion Is Coming to a Palm Tree Near You

A Real Alien Invasion Is Coming to a Palm Tree Near You

Season 4 Episode 13
3:29
Why Is The Very Hungry Caterpillar So Dang Hungry?

Why Is The Very Hungry Caterpillar So Dang Hungry?

Season 4 Episode 14
4:20
This Is Why Water Striders Make Terrible Lifeguards

This Is Why Water Striders Make Terrible Lifeguards

Season 4 Episode 15
3:17
Daddy Longlegs Risk Life ... and Especially Limb ... to Survive

Daddy Longlegs Risk Life ... and Especially Limb ... to Survive

Season 4 Episode 16
4:04
A Baby Dragonfly's Mouth Will Give You Nightmares

A Baby Dragonfly's Mouth Will Give You Nightmares

Season 4 Episode 17
3:01
There's Something Very Fishy About These Trees...

There's Something Very Fishy About These Trees...

Season 4 Episode 18
4:10
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Deep Look

Everything You Never Wanted to Know About Snail Sex

Season 4 Episode 6

Besides being hermaphrodites — all snails have both boy and girl parts — they stab each other with “love darts” as a kind of foreplay.
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