Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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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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0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
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Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
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Scientists aren't sure what color dinosaurs were.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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One cubic foot of gold weighs more than 1,200 pounds!
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