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
Your fingernails grow faster in summer.
744
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Gorillas can catch human colds and other illnesses.
205
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99