Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
A person can live without food for about a month, but only about a week without water.
156
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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
Yawns are more contagious among people with closer relationships.
163
Your fingernails grow faster in summer.
744
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99