Cows can sleep standing up, but they can only dream lying down.
745
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
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
The largest breed of rabbit is the Flemish Giant.
65
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16