Iron weighs more after it rusts.
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Aluminum used to be more valuable than gold!
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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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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The force of a suction cup is calculated using F=AP.
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One ragweed plant can release as many as one billion grains of pollen!
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