Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Research indicates that plants grow healthier when they are stroked.
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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
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
No matter how cold it gets, gasoline will not freeze.
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One ragweed plant can release as many as one billion grains of pollen!
51
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44