The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
4
Your thumb is about the same size as your nose.
124
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
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