Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
The human body contains over a billion miles of DNA.
147
Every human spent about half an hour as a single cell.
144
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The human brain has the capacity to store everything that you experience.
4k
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197