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
Your thumb is about the same size as your nose.
124
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
You forget 90% of your dreams.
256
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A cow produces around 200,000 glasses of milk in her lifetime.
373