A cow produces around 200,000 glasses of milk in her lifetime.
373
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154