Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The strangers in your dreams are actually people that you've seen in real life.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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Cows can sleep standing up, but they can only dream lying down.
745
Your body is creating and killing about 2.4 million red blood cells per second.
17