Only about 2% of the world population has green eyes.
36
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
You forget 90% of your dreams.
256
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31