Platform Check: How Trump's Energy Plan Stacks Up To The Democrats
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The Hokule'a, a voyaging canoe built to revive the centuries-old tradition of Polynesian exploration, makes its way up the Potomac River in Washington, D.C. Sailed by a crew of 12 who use only celestial navigation and observation of nature, the canoe is two-thirds of the way through a four-year trip around the world. Bryson Hoe/Courtesy of 'Oiwi TV and Polynesian Voyaging Society hide caption

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Hokule'a, The Hawaiian Canoe Traveling The World By A Map Of The Stars
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A Pennsylvania woman developed a urinary tract infection cased by Escherichia coli bacteria that were found to be resistant to colistin, an antibiotic that is seen as the last line of defense. Nature's Geometry/Science Source hide caption

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Doctors Discover First U.S. Case Of Bacteria Resistant To Last Resort Antibiotics
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Feral hogs in Great Smoky Mountains National Park are an invasive and hugely destructive species. Courtesy of Bill Lea hide caption

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On The Trail Of The Wily Wild Hog
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Pharmacists in California will have to give women a short health consultation before providing contraceptives without a prescription. Media for Medical/UIG via Getty Images hide caption

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Researchers found numerous ring-like structures inside France's Bruniquel Cave. They believe they were built by Neanderthals some 176,000 years ago. Etienne FABRE - SSAC hide caption

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Mysterious Cave Rings Show Neanderthals Liked To Build
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When Cars Collide, Safety Advocates Say It's No 'Accident'
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Female Drosophila bifurca flies have an organ to store sperm (right) that male flies compete to fill, crowding out rivals. Scott Pitnick/Nature hide caption

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For Female Fruit Flies, Mr. Right Has The Biggest Sperm
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A view from the Shark Valley Visitors Center in Everglades National Park. Much of the freshwater that used to replenish South Florida's saw grass prairie has been diverted to agriculture, researchers say. Pietro Valocchi/Flickr hide caption

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Rising Seas Push Too Much Salt Into The Florida Everglades
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Mosquitoes in traps are transported back to the county's laboratory for analysis. Carrie Feibel/Houston Public Media hide caption

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Mosquito Hunters Set Traps Across Houston, Search for Signs of Zika
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Gig Economy Reduces Lower Quality Entrepreneurial Activity, Study Shows
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When Great Minds Think Unlike: Inside Science's 'Replication Crisis'
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This prototype built by MIT researchers can be reconfigured to manufacture different types of pharmaceuticals. Courtesy of the Allan Myerson lab hide caption

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Inventing A Machine That Spits Out Drugs In A Whole New Way
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Chinese and other Asian beer brands on display at a supermarket. An ancient brewery discovered in China's Central Plain shows the Chinese were making barley beer with fairly advanced techniques some 5,000 years ago. Chris/Flickr hide caption

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A man crosses a bridge over the Poudre River, in Fort Collins, Colo. The picturesque river is the latest prize in the West's water wars, where wilderness advocates usually line up against urban and industrial development. Brennan Linsley/AP hide caption

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