Babies crawl an average of 200m a day.
212
There are about 255 babies born worldwide every minute.
46
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 human brain is more active during sleep than during the day.
28
On average a woman has 4 sexual partners in her lifetime.
-143
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Mushrooms are more closely related to humans than they are to plants.
47
Yawns are more contagious among people with closer relationships.
163