Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Lurch, a Watusi bull, had the largest horns in the world.
32
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31