Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
You forget 90% of your dreams.
256
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14