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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Cold water weighs more than hot water.
93
Aluminum used to be more valuable than gold!
84
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Most dust particles in your house come from dead skin.
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