Science Quickly

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Polynesians and Native South Americans Made 12th-Century Contact Jul 09, 2020

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Scientists have found snippets of Native South American DNA in the genomes of present-day Polynesians, and they trace the contact to the year 1150. Christopher Intagliata reports.

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Animals Appreciate Recent Traffic Lull Jul 08, 2020

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Researchers saw a third fewer vehicle collisions with deer, elk, moose and other large mammals in the four weeks following COVID-19 shutdowns in three states they tracked.

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Bat Says Hi as It Hunts Jul 07, 2020

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Velvety free-tailed bats produce sounds that help them locate insect prey but simultaneously identify them to their companions.

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Forests Getting Younger and Shorter Jul 06, 2020

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Old, big trees are dying faster than in the past, leaving younger, less biodiverse forests that store less carbon worldwide.

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Young Great White Sharks Eat off the Floor Jul 02, 2020

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The stomach contents of young great white sharks show that they spend a lot of time patrolling the seafloor for meals.

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Tweets Reveal Politics of COVID-19 Jul 01, 2020

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Political scientists analyzed congressional tweets and observed how Republicans and Democrats responded differently to the virus. Christopher Intagliata reports.

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Nature's Goods and Services Get Priced Jun 30, 2020

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The gross ecosystem product, or GEP, tries to take into account the contribution of nature to the economy.

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Animal Migrations Track Climate Change Jun 29, 2020

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Many species are known to have changed their migration routes in response to the changing climate. They now include mule deer and Bewick’s swans.

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Science Briefs from around the World Jun 24, 2020

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Here are some brief reports about science and technology from around the planet, including one about a 70-million-year-old mollusk fossil that reveals years back then had a few more days than we have now.

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Stiffer Roads Could Drive Down Carbon Emissions Jun 19, 2020

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By hardening the nation’s streets and highways, trucks would use less fuel and spare the planet carbon emissions. Christopher Intagliata reports.

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