An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Your body is creating and killing about 2.4 million red blood cells per second.
17
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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