Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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