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  • Television

    Nostalgic Voyager documentary relives first exploration of the solar system

    View the trailer

    A species gets only one chance to explore its solar system for the first time.

    For humans, that chance began 40 years ago this month, when the twin Voyager spacecraft embarked on their “grand tour” of the solar system. A new PBS documentary airing on August 23, The Farthest: Voyager in Space, chronicles their journey to send home the first close-ups of the giant...

    08/07/2017 - 15:00 Astronomy, Planetary Science
  • News

    Here’s how an asteroid impact would kill you

    It won’t be a tsunami. Nor an earthquake. Not even the crushing impact of the space rock. No, if an asteroid kills you, gusting winds and shock waves from falling and exploding space rocks will most likely be to blame. That’s one of the conclusions of a recent computer simulation effort that investigated the fatality risks of more than a million possible asteroid impacts.

    In one extreme...

    05/02/2017 - 07:00 Planetary Science
  • Science & the Public

    Growth-promoting antibiotics: On the way out?

    In 1950, Science News ran a story showing for the first time that a potent antibiotic could do more than knock out disease. New animal experiments, we reported, “cast the antibiotic in a spectacular new role” as a livestock growth promoter. Lacing the food of hogs with trace quantities of this drug increased meat yields by up to 50 percent, scientists at Lederle Laboratories had reported at a...

    03/23/2012 - 13:30 Humans & Society, Nutrition, Earth & Environment, Biomedicine, Agriculture
  • News

    E. coli evade detection by going dormant

    Researchers think they now know why a particularly virulent form of E. coli that swept through northern Germany last May was so hard to trace: The germs responsible eluded detection by going into a self-induced deep sleep.

    Two new studies show that when stressed, E. coli can turn off most signs of life. That’s a problem for food-safety officials because their germ-...

    12/06/2011 - 11:04 Nutrition, Earth & Environment
  • News

    Obesity messes with the brain

    Obesity subtly diminishes memory and other features of thinking and reasoning even among seemingly healthy people, an international team of scientists reports. At least some of these impairments appear reversible through weight loss. Researchers also report one likely mechanism for those cognitive deficits: damage to the wiring that links the brain’s information-processing regions.

    A...

    03/25/2011 - 12:00 Nutrition, Body & Brain