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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The smell of freshly cut grass is actually a plant distress call.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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Balsa wood is classified as a hard wood!
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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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