Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
22
Nearly half of the entire world's adult population has never drunk alcohol.
12
Cows can sleep standing up, but they can only dream lying down.
745
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
181
Anuptaphobia is the fear of staying single.
11
The strangers in your dreams are actually people that you've seen in real life.
50
Your body is creating and killing about 2.4 million red blood cells per second.
17