Dr. Game: Surgeon Trouble will never rival the commercial success of Candy Crush Saga, a game that reportedly generated $1.5 billion in 2018 alone. But that isn’t the point. The aim of this free game is not to make money, but to make better doctors. Image: Level Ex
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For 3200 years they have guarded their secret. The deities carved in limestone near the ancient city of Hattusa are as enigmatic as they are beautiful. Perhaps no longer. A controversial theory suggests the ancient carvings may have functioned as a calendar, with a level of sophistication way ahead of its time. Image: Sergio & Gabriella
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Was it the lure of beer that encouraged prehistoric humans to begin farming? Archaeological evidence from China suggests it might have been as the region’s first farmers had worked out how to turn millet and other cereals into alcoholic drinks in two distinct ways, hinting at how important alcohol was at the time. Image: jchapiewsky
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How and why, roughly 2m years ago, early human ancestors evolved large brains and began fashioning relatively advanced stone tools, is one of the great mysteries of evolution. Some researchers argue these changes were brought about by the invention of cooking. Image: pablo_marx
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Cannabis may have had high origins. Where the plant comes from has been a bit of a mystery, but analysis of ancient pollen now suggests it evolved some 3 kilometres above sea level on the Tibetan Plateau. Image: migogo
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