Your thumb is about the same size as your nose.
124
You forget 90% of your dreams.
256
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94