Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Cows can sleep standing up, but they can only dream lying down.
745
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
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