Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The seahorse is the only fish to have a neck.
12