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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Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Iron weighs more after it rusts.
16
The smell of freshly cut grass is actually a plant distress call.
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Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The force of a suction cup is calculated using F=AP.
15
Scientists in Germany have developed a candy that doesn't cause cavities.
11
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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