Research indicates that plants grow healthier when they are stroked.
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In zero gravity, a candle's flame is round and blue.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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Each day, up to 150 species of life become extinct.
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Balsa wood is classified as a hard wood!
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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.
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