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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Most dust particles in your house are made from dead skin!
67
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Aluminum used to be more valuable than gold!
84
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists in Germany have developed a candy that doesn't cause cavities.
11
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
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