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
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Only about 2% of the world population has green eyes.
36
Your thumb is about the same size as your nose.
124
Mars had an oxygen-rich atmosphere around 4 billion years ago
13