Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Your body is creating and killing about 2.4 million red blood cells per second.
17
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
Cows can sleep standing up, but they can only dream lying down.
745