One barrel of petroleum holds 42 gallons.
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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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
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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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Most dust particles in your house are made from dead skin!
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Scientists in Germany have developed a candy that doesn't cause cavities.
11
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15