Back to Show
Deep Look
For Pacific Mole Crabs It's Dig or Die
Season 5
Episode 3
Pacific mole crabs, also known as sand crabs, make their living just under the surface of the sand, where they're safe from breaking waves and hungry birds. Some very special physics help them dig with astonishing speed.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

3:40
Not all roaches are filthy.

4:55
Mammalian moms, you're not alone!

4:06
They're not playing their song with the body part you're thinking.

4:39
Female webspinners shoot super-fine silk from their front feet.

3:56
Every fall, male tarantulas leave home for good with one thing on their minds: sex.

4:28
Something is growing inside that fruit fly in your kitchen.

4:21
Giant Malaysian leaf insects stay very still on their host plants to avoid predators.

4:46
Kidnapper ants raid other ant species' colonies, abduct their young.

4:34
Alfalfa leafcutting bees are way better at pollinating alfalfa flowers than honeybees.

4:13
Peregrine falcons catch other birds mid-flight by diving at more than 200 mph.

4:11
A rattlesnake's rattle isn't like a maraca, with little bits shaking around inside.

4:21
These parasites crawl onto your bed, bite you and suck your blood.