In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Cows can sleep standing up, but they can only dream lying down.
745
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14