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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Only about 2% of the world population has green eyes.
36
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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
You forget 90% of your dreams.
256
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14