Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
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
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Gorillas can catch human colds and other illnesses.
205
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
Pain occurs when sounds are above 130 db.
124