Only humans shed emotional tears.
331
The human brain has the capacity to store everything that you experience.
4k
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
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