Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Your body is creating and killing about 2.4 million red blood cells per second.
17
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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