Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
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
Iron weighs more after it rusts.
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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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The bark of an older redwood tree is fireproof.
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