Babies crawl an average of 200m a day.
212
Tigers can see 6 times better at night than humans.
305
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
The world's shortest man measures only 21.5 inches.
73
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Early American humans hunted car-size armadillos and used their shells for houses.
12