The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Only about 2% of the world population has green eyes.
36
Your body is creating and killing about 2.4 million red blood cells per second.
17
Cows can sleep standing up, but they can only dream lying down.
745
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The strangers in your dreams are actually people that you've seen in real life.
50