A cow produces around 200,000 glasses of milk in her lifetime.
373
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The strangers in your dreams are actually people that you've seen in real life.
50
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
You forget 90% of your dreams.
256