Up Next
Back to Show
Deep Look
Why Does Your Cat's Tongue Feel Like Sandpaper?
Season 4
Episode 5
It's not vanity. For cats, staying clean is a matter of life and death. And their tongue, specially equipped for the job, is just one of the things that makes cats such successful predators.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
4:38
Jellyfish clone themselves by morphing into a stack of squirming jellyfish pancakes.
4:28
As temperatures rise, the brown dog tick is more likely to feast on you.
5:46
This fuzzy acorn weevil uses her snout to drill through an acorn's shell.
6:41
Beekeepers and scientists are helping honeybees fight off varroa mites.
5:14
Ladybugs may be the cutest insects around, but they don't start off that way.
3:57
Do cockroaches -- daring, disgusting disease vectors -- have anything at all to offer us?
5:42
Covered in a shiny bubble, the alkali fly scuba dives in California's Mono Lake.
4:58
A “bee fly” is a freeloader that takes advantage of a bindweed turret bee’s hard work.
4:05
The scaled wormsnail cements its shell to a rock and snags its meals using mucus!
4:04
Step right up to see tiny springtails spin through the air with the greatest of ease!
3:44
Geckos navigate nearly any surface with an electron dance at the atomic scale.
4:31
The snake's forked tongue helps it smell in stereo.