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E.g., 12/15/2017
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Your search has returned 157 articles:
  • Links between scrapie and MS less likely

    Science forecast for 1966 — Reports could be forthcoming on the possible role of slow-acting viruses on chronic degenerative neurological diseases in man, such as multiple sclerosis. Both multiple sclerosis and muscular dystrophy could be found closely related to a virus-caused disease “scrapie” in sheep. — Science News Letter, December 25, 1965

    Update

    Scientists now believe that the...

    12/17/2015 - 08:00 Science & Society, Health
  • Feature

    Year in review: Pluto unveiled as a world like no other

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    Mountains of water ice tower thousands of meters over fields of frozen nitrogen and methane. Glaciers etched with channels hint at heat bubbling up from below. A patchwork of new and old terrains — some laid down in the last 10 million years, some as old as the planet itself — blanket the ground. And what appear to be two ice volcanoes punch through the terrain.

    The...

    12/15/2015 - 07:05 Planetary Science
  • Feature

    Getting creative to cut methane from cows

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    In a pasture outside Edmonton, Canada, you’ll find a few dozen cows doing what cows do: mostly eating. The average animal spends eight-plus hours a day filling its belly, or as is the case with cows, bellies. Along with that enormous appetite, cows are born with the ability to digest almost any plant they can chew, thanks to a multichambered stomach and a helpful army of...

    11/18/2015 - 16:36 Animals, Microbes, Climate
  • News

    Pluto’s smaller moons pose mysteries

    Pluto and Charon might have been the stars of the New Horizons mission, but the dwarf planet’s four smaller moons have some surprises to share as well.

    With images of Kerberos transmitted from the spacecraft on October 20, the Pluto family portrait is complete. The tiny moons Nix, Hydra, Kerberos and Styx are no longer pinpricks of light but textured, misshapen balls of ice that look...

    11/02/2015 - 06:00 Planetary Science
  • Educator Guides

    Find the current and past Science News in High Schools Educator Guides organized by the date of the issue in which the article appears.

    June 24, 2017Flamingos' Bones Favor One-leg  StanceFlamingo article PDF | Full GuideGuide Summary | Questions | Archive search | Discussion prompts | ActivityView the article online

    June 10, 2017New 'Rules' for Finding AntibioticsAntibiotics article PDF...

    09/14/2015 - 09:29
  • Science Ticker

    The wait for more Pluto data is almost over

    Get ready, we’re about to be inundated with postcards from Pluto. On September 5, the New Horizons spacecraft, now more than 62 million kilometers beyond Pluto, will begin a roughly year-long download of all the data it acquired during its brief visit with the dwarf planet in July. Only a few percent of that data was sent to Earth shortly after the encounter.

    It’s about time. Without new...

    09/04/2015 - 17:45 Planetary Science
  • Letters to the Editor

    Lucy's new neighbor, downloading New Horizon's data and more reader feedback

    New Horizons phones home

    In “Pluto: Explored” (SN: 6/27/15, p. 16), Christopher Crockett chronicled New Horizons’ long journey to the dwarf planet. He followed up with a report on the successful flyby in “Pluto’s icy landscape comes into view” (SN: 8/8/15, p. 6).

    “Having read that early images of Pluto encoded in radio waves would take 4.5 hours to reach Earth from the New Horizons space...

    08/12/2015 - 13:56 Astronomy, Neuroscience, Human Evolution
  • News

    Pluto’s icy landscape comes into view

    LAUREL, Md. — Alan Stern, head of the New Horizons mission to Pluto, had just three words for the team of scientists and engineers assembled with him on July 14: “We did it.”

    At 8:52:37 p.m. Eastern time, a radio antenna near Madrid received the first signal from the spacecraft since it buzzed the dwarf planet. After decades of planning and a 9.5-year journey...

    07/26/2015 - 06:00 Planetary Science
  • News

    Mission to Pluto: Live coverage

    The New Horizons spacecraft flew by Pluto at 7:49 a.m. EDT on July 14, 2015. Astronomy writer Christopher Crockett wrote several updates from mission control at the Johns Hopkins University Applied Physics Lab in Laurel, Md., from July 12-15, and reviewed some of the mission's major milestones from the last several months. Check our Mission to Pluto editor’s pick for the latest on New Horizons...

    07/15/2015 - 17:39 Planetary Science
  • Feature

    Rendezvous with Pluto

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    Tiny, far-flung Pluto is about to have a visitor — at least for a few hours.

    On July 14, NASA’s New Horizons spacecraft will reach the dwarf planet and try to learn all it can about Pluto and its five known moons. Then the probe will leave Pluto behind, vanishing into the frigid darkness beyond the planets.

    In its wake, New Horizons will introduce Earth to the...

    06/12/2015 - 11:55 Planetary Science, Astronomy