Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Your body is creating and killing about 2.4 million red blood cells per second.
17
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Only about 2% of the world population has green eyes.
36
The largest breed of rabbit is the Flemish Giant.
65
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
Cows can sleep standing up, but they can only dream lying down.
745