Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The human brain is more active during sleep than during the day.
28
Our Right Lungs takes more air than our left lung.
194
One human hair can support 3 ounces.
191
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139