Sound travels about 4 times faster in water than in air.
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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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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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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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