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
You forget 90% of your dreams.
256
Your body is creating and killing about 2.4 million red blood cells per second.
17
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
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
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31