The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Cows can sleep standing up, but they can only dream lying down.
745
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
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16