The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
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
Only about 2% of the world population has green eyes.
36
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
You forget 90% of your dreams.
256