A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Cows can sleep standing up, but they can only dream lying down.
745
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
You forget 90% of your dreams.
256
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
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82