Cows can sleep standing up, but they can only dream lying down.
745
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3