Your body is creating and killing about 2.4 million red blood cells per second.
17
Only about 2% of the world population has green eyes.
36
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cows can sleep standing up, but they can only dream lying down.
745