On average a woman has 4 sexual partners in her lifetime.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Mushrooms are more closely related to humans than they are to plants.
47
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
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