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
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A cow produces around 200,000 glasses of milk in her lifetime.
373
Your body is creating and killing about 2.4 million red blood cells per second.
17
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