On average a woman has 4 sexual partners in her lifetime.
-143
You forget 90% of your dreams.
256
The human brain is more active during sleep than during the day.
28
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
In one day, adult lungs move about 10,000 litres of air.
11
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23