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A new brush—and an old one, too—that don't rely on possibly harmful pastes to make your smile shine
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The service only lasted 18 months, but became an important icon of the West
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Warmer waters mean fewer female reef fish. But, over generations, populations can restore the balance.
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An object called G2—previously believed to be a gas cloud—narrowly slipped from the clutches of a supermassive black hole
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New marker will acknowledge the bustling slave trade that helped build New York
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150 years later, a new view of Ford’s Theatre
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Data collected from the Curiosity rover suggests liquid water could be harvested from Martian soil
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Rum may was a key player in America's revolutionary days
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Native Americans, Iran and gay penguins top the American Library Association’s Top Ten List of Frequently Challenged Books
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New research will help countries prepare
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In a day and age when teens are tasked with picking multimillion dollar dream homes, it's not hard to see why
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When you respond to an email, you mirror the sender's email style
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Researchers have developed a new device that could help determine the presence of tumor cells circulating in the bloodstream
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From beef to beer, here's how the numbers stack up
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The effects for single moms and racial minorities would be particularly significant
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Turns out Peru’s Wari people were excellent urban planners...and their 1,500-year-old 'amunas' could soon bring water to Lima
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Study shows the world's oceans were dangerously acidic during the Permian Extinction Event
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They’ll forge their path sans sherpas or oxygen tanks
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Stop comparing your life to flattering photos and carefully-crafted status updates
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The California Roadkill Observation System studies wildlife by mapping out crowd-sourced roadkill sightings
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