The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
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
Cows can sleep standing up, but they can only dream lying down.
745
Only about 2% of the world population has green eyes.
36
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
The strangers in your dreams are actually people that you've seen in real life.
50