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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One cubic foot of gold weighs more than 1,200 pounds!
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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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German chemists made a replica of a trophy the size of one molecule.
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A ball of glass will bounce higher than a ball made of rubber.
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The average temperature at 40,000 feet above sea level is -60 F.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
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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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