Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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Hot water can freeze faster than cold water.
181
Your brain is 80% water.
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Most dust particles in your house come from dead skin.
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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A cubic yard of air weighs about 2 pounds at sea level.
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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 gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5