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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
You forget 90% of your dreams.
256
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3