Brass doorknobs automatically disinfect themselves in about 8 hours.
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Balsa wood is classified as a hard wood!
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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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Out of all the senses, smell is most closely linked to memory.
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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.
12
Research indicates that plants grow healthier when they are stroked.
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Iron weighs more after it rusts.
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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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