Yawns are more contagious among people with closer relationships.
163
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
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
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Every year your body replaces 98% of your atoms.
119
One human hair can support 3 ounces.
191