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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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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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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4.5 pounds of sunlight strike the Earth each day.
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