The human brain is more active during sleep than during the day.
28
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The world's shortest man measures only 21.5 inches.
73
Our brains have a negativity bias and will remember bad memories more than good ones.
15
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
Yawns are more contagious among people with closer relationships.
163