Cows can sleep standing up, but they can only dream lying down.
745
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
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