It takes about 20 seconds for a red blood cell to circle the whole body.
102
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
If your DNA was stretched out it would reach to the moon 6,000 times.
256
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