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
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154