The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Only about 2% of the world population has green eyes.
36
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
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
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