Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The average person will go on a date at least 100 times before they finally marry.
33
Mushrooms are more closely related to humans than they are to plants.
47
Babies crawl an average of 200m a day.
212
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Gorillas can catch human colds and other illnesses.
205
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