Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
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Research indicates that plants grow healthier when they are stroked.
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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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In zero gravity, a candle's flame is round and blue.
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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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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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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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