Human hair and fingernails continue to grow after death.
7
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
Obsessive nose picking is called Rhinotillexomania.
101
Gorillas can catch human colds and other illnesses.
205
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92