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
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
Lurch, a Watusi bull, had the largest horns in the world.
32
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13