There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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Your body is creating and killing about 2.4 million red blood cells per second.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The strangers in your dreams are actually people that you've seen in real life.
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