Your thumb is about the same size as your nose.
124
The strangers in your dreams are actually people that you've seen in real life.
50
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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