Previews + Extras
How Do Hippos Get Clean?
S34 E15 - 2m 11s
When it comes to skin care, hippos need a little help. Unable to pick up a stick and scratch their own backs, they’ve gone into partnership with a fish called the barbell. Barbells nibble away all the ticks and parasites and on a hippo's skin. Their service even includes dental hygiene.
Roving Gang of Sea Snakes and Fish Terrorize Reef
S34 E15 - 2m 12s
Lethal sea kraits (snakes) are too slow to catch fish in a straight chase. Fortunately, they have partners in crime - shoals of yellow goatfish and trevally who seek similar prey. The big fish scare the prey into the cracks where the sea snakes can catch them.
Similar Shows
Hot Mess
Science and Nature
Magical Land of Oz
Science and Nature
Saving the Ocean
Science and Nature
Why Am I Like This?
Science and Nature
The Brain-Gut Connection with Dr. Emeran Mayer
Science and Nature
Mysteries of Mental Illness
Science and Nature
I Contain Multitudes
Science and Nature
To Catch A Comet
Science and Nature
Your DNA Secrets Revealed
Science and Nature
The Gene
Science and Nature
WETA Passport
Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.