Grisly evidence of Neanderthal cannibalism uncovered in a Belgian cave and other top stories.

• Grisly evidence of Neanderthal cannibalism uncovered in a Belgian cave

  The Neanderthal bones found at Goyet cave. (Asier Gómez-Olivencia et al.) The bones bore unmistakable signs of butchery: indentations where they were hammered open to expose the marrow within, cut marks left by knives used to tear the flesh away. They were scattered throughout the cave, and jumbled with the remains of horses and reindeer that had been similarly cut and bruised. When the scientists pieced the skeletons together, they formed five humans: four adults and a child. The remains, w..

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• Artificial stingray is 'living robot'

  

  Image copyright Harvard Scientists have designed a robotic stingray that could help our understanding of the human heart. The miniature robot, one-tenth the scale of the actual fish, moves using heart cells taken from a rat. Researchers hope the robotic ray will give new insight into the heart's ability to pump blood and its potential implications in heart disease. The research is published in the journal, Science."It turns out the musculature in the stingray has to do the same thing as th..

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• 2016 Will Be One Second Longer Than Expected

  

  A crowd gathered to take photos of a digital clock in Tokyo on July 1 last year at the moment a leap second was added to the world clock. Photograph by Yomiuri Shimbun, AP No more complaining that there’s not enough time to get it all done: On the last day of this year, you’ll have a whole extra second to finalize your New Year’s resolutions. According to timekeepers at the International Earth Rotation and Reference Systems Service, the time determined by super-regular atomic clocks ..

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• US Navy invests $750000 in bomb-tracking cyborg locusts

  

  How’s this for rebranding? The locust, commonly known as a pest and a bad omen, might someday avert disaster.The Office of Naval Research is awarding Washington University professors a three-year, $750,000 grant to develop bomb-sniffing locusts – a surprising alternative to current explosive detection animals, which include dogs and dolphins.Why locusts? They have a remarkably sensitive olfactory system, thousands of times more complex than the best chemical detection devices available. So rath..

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