Cows can sleep standing up, but they can only dream lying down.
745
The strangers in your dreams are actually people that you've seen in real life.
50
The largest breed of rabbit is the Flemish Giant.
65
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Only about 2% of the world population has green eyes.
36
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82