Indoor pollution is 10 times more toxic than outdoor pollution.
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Liquid TIDE laundry detergent glows under a blacklight.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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German chemists made a replica of a trophy the size of one molecule.
68
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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