Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
All 13 minerals necessary for human life can be found in alcohol beverages.
282
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Human hair and fingernails continue to grow after death.
7
Your fingernails grow faster in summer.
744
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A man's beard grows fastest when he anticipates sex.
239