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 strangers in your dreams are actually people that you've seen in real life.
50
Your thumb is about the same size as your nose.
124
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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
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