Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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According to studies, men change their minds two to three times more often than women.
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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.
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One 75-watt bulb gives more light than three 25-watt bulbs.
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Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
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