Mars had an oxygen-rich atmosphere around 4 billion years ago
13
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
Your thumb is about the same size as your nose.
124
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 average person in their lifetime will spend an estimated 20,160 minutes kissing!
212