In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
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
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94