Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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Most dust particles in your house come from dead skin.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Sound travels about 4 times faster in water than in air.
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4.5 pounds of sunlight strike the Earth each day.
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Research indicates that plants grow healthier when they are stroked.
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