Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cows can sleep standing up, but they can only dream lying down.
745
A cow produces around 200,000 glasses of milk in her lifetime.
373
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81