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
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
The strangers in your dreams are actually people that you've seen in real life.
50
Only about 2% of the world population has green eyes.
36
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14