According to studies, men change their minds two to three times more often than women.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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The smell of freshly cut grass is actually a plant distress call.
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Optical illusions occur when what the eyes see conflicts with what the brain expects.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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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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Sound at the right vibration can bore holes through a solid object.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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