Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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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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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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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
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Indoor pollution is 10 times more toxic than outdoor pollution.
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
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