The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The human brain is more active during sleep than during the day.
28
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
If your DNA was stretched out it would reach to the moon 6,000 times.
256
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111