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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
A cow produces around 200,000 glasses of milk in her lifetime.
373
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Your body is creating and killing about 2.4 million red blood cells per second.
17