Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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The bark of an older redwood tree is fireproof.
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There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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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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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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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