In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Your thumb is about the same size as your nose.
124
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
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 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
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
A cow produces around 200,000 glasses of milk in her lifetime.
373