When cats are happy, they may squeeze their eyes shut.
10
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
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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