Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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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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A 'jiffy' is an actual unit of time for 1/100th of a second!
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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Neanderthal man had a brain capacity 100cc larger than modern man's.
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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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Your brain is 80% water.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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