The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
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
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Cows can sleep standing up, but they can only dream lying down.
745
There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
25
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3