Your body is creating and killing about 2.4 million red blood cells per second.
17
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The strangers in your dreams are actually people that you've seen in real life.
50
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14