One 75-watt bulb gives more light than three 25-watt bulbs.
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Scientists are now able to grow 'beating' heart tissue in a lab!
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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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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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Neanderthal man had a brain capacity 100cc larger than modern man's.
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The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
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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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Brass doorknobs automatically disinfect themselves in about 8 hours.
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