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
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
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
Cows can sleep standing up, but they can only dream lying down.
745
Only about 2% of the world population has green eyes.
36