Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Early American humans hunted car-size armadillos and used their shells for houses.
12
Domestic pigs average a top speed of about 11 miles per hour.
182
A scorpion can hold its breath for up to 6 days.
19
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250