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Since 1889, Le Grand K, a sleek cylinder of platinum-iridium metal, has ruled from its underground vault in Paris. An absolute monarch, it was the very definition of one kilogram of mass. Scientists from around the world made pilgrimages to it, bringing along their national kilogram standards to weigh in comparison. “The mother ship is
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When ballots were tallied from Election Day last week, science-oriented candidates for U.S. Congress looked like real winners. Seven Democrats with degrees in science, technology, engineering, and medicine are headed to the House of Representatives; one won in the Senate. In addition, two Republicans with science backgrounds won House seats. The Democrats were endorsed by a
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Benefits of walking backwardsSetiadi Setiadi / EyeEm By Sam Wong To go back in time, it might help to go backwards in space. Volunteers in a study did better in a memory test if they walked backwards before taking it – or if they simply imagined moving backwards. Aleksandar Aksentijevic at the University of Roehampton,
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The Food and Drug Administration on Thursday announced a series of restrictions aimed at combating a growing public health menace — flavored e-cigarettes and tobacco products that have lured young people into vaping and smoking. And in a bold regulatory move, the agency said it would move to outlaw two traditional tobacco products that disproportionately
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Antarctica’s Shackleton Ridge at sunset.NASA/John Sonntag It’s hard to imagine, but Antarctica wasn’t always covered in ice. This huge continental landmass, back in the age of the dinosaurs, was a lush forested landscape, teeming with large creatures and critters alike. Nowadays, shielded by the largest ice sheet on the planet, we are only beginning to
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WASHINGTON (Reuters – The U.S. Federal Communications Commission voted unanimously on Thursday to allow Tesla Inc (TSLA.O) Chief Executive Elon Musk’s Space X, Telesat Canada [PSPENC.UL] and two other companies to roll out new satellite-based broadband services. FILE PHOTO: Tesla and SpaceX CEO Elon Musk participates in a “fireside chat” at the National League of
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Share to facebook Share to twitter Share to linkedin Ocean wave under gray sky at daytime in Azores, PortugalSandro Kradolfer | Unsplash A study published earlier this month stating that the world’s oceans had absorbed up to 60% more heat than initially thought over the previous 25 years is being re-evaluated. Prior studies have measured ocean heat content using
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Most of us learn how to ride a bike during childhood. But as we grow older, many of us stop riding and put those once-beloved bikes in storage. Years later, when we discover these relics and hop on, it’s as if we never stopped biking. This is surprising because our memories let us down in
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At the London Restaurant Festival, Sebastian Valouch is looking very slightly on edge. “I know the technology works,” he says. “But demonstrations always make you feel a little nervous.” He is talking about the latest innovation from his employer, the BASF subsidiary company trinamiX GmbH. It’s a prototype handheld spectrometer, a point-and-click device that can
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Antibiotic resistance genes have now been found in the penguins near the O’Higgins research baseStone Monki/CC-BY-3.0 By Chris Baraniuk Humans have spread antibiotic resistance so far and wide that diverse clusters of microbes with resistance genes are now turning up in the gut microbiome of penguins in Antarctica. Antibiotic-resistance can occur naturally, and microbes with
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Scientists behind a major study that claimed the Earth’s oceans are warming faster than previously thought now say their work contained inadvertent errors that made their conclusions seem more certain than they actually are. Two weeks after the high-profile study was published in the journal Nature, its authors have submitted corrections to the publication. The
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An artistic impression of a sunset from Barnard’s star on a newly detected planet dubbed “Super Earth,” in this handout photo provided November 14, 2018. European Southern Observatory/M. Kornmesser/Handout via REUTERS WASHINGTON (Reuters) – A frozen and dimly lit planet, dubbed a “Super-Earth,” may be orbiting the closest single star to our solar system, astronomers
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Night by night, star by star, astronomers are edging ever closer to learning just how crowded our universe really is—or at least our galaxy, anyway. A quarter century after the first exoplanets were found orbiting other stars, statistics from the thousands now known have revealed that, on average, each and every stellar denizen of the
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Wind farms are popping up all over the world. In the U.S. alone wind power capacity has tripled over the last decade. Although this trend is good news for efforts to curtail emissions and climate change, a growing body of research suggests wind turbines disturb their local environment in a significant way. Scientists have documented,
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Share to facebook Share to twitter Share to linkedin It’s a girl! It’s a boy! It’s a new shark species! The ninja lanternshark (which was covered in an earlier post in October) now has a new relative. Marsha’s lanternshark (Etmopterus marshae) is from the Philippines area and sports splendid green eyes and a slim, dark
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The nation’s hospitals have been merging at a rapid pace for a decade, forming powerful organizations that influence nearly every health care decision consumers make. The hospitals have argued that consolidation benefits consumers with cheaper prices from coordinated services and other savings. But an analysis conducted for The New York Times shows the opposite to
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Veterans Affairs Secretary Robert Wilkie defended the agency’s ongoing experiments on dogs Friday and said he would continue to “reauthorize” them, eight months after Congress passed legislation limiting tests that are opposed by a bipartisan cast of lawmakers and several veterans’ groups. Speaking at the National Press Club, Wilkie rejected calls to end research that
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How much radiation are the astronauts exposed to on the ISS? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world. Answer by Robert Frost, works at NASA, on Quora: For ISS astronauts, measurements from the crew’s personal dosimeters indicate a range from
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Across the planet, shorebirds are in serious trouble. In the past 50 years their well-documented North American populations are estimated to have plummeted by at least 70 percent on average, and shorebirds elsewhere are hardly doing better, if not worse. Reasons are many—the shorelines and mudflats where the birds feed are polluted or disappearing, and
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