Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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