An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
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