If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Only about 2% of the world population has green eyes.
36
You forget 90% of your dreams.
256
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Your thumb is about the same size as your nose.
124