Cows can sleep standing up, but they can only dream lying down.
745
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140