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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13