A cubic yard of air weighs about 2 pounds at sea level.
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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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When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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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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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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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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Indoor pollution is 10 times more toxic than outdoor pollution.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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