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Your search has returned 25 articles:
  • Feature

    Yes, statins protect hearts. But critics question their expanding use

    Cholesterol is so important to life that practically every human cell makes it. Cells use the compound to keep their membranes porous and springy, and to produce hormones and other vital substances. The body can make all the cholesterol it needs, but Americans tend to have a surplus, thanks in large part to too little exercise and too much meat, cheese and grease. Fifty years ago, researchers...

    05/03/2017 - 07:00 Health, Biomedicine
  • Feature

    For athletes, antioxidant pills may not help performance

    In the fickle world of sports nutrition fads, few trends have shown the staying power of antioxidants. For more than three decades, athletes have remained devoted fans of supplements; the American College of Sports Medicine estimates that around half of elite athletes take vitamins in hopes of keeping their bodies fit and boosting endurance.

    The idea makes intuitive sense: Energy...

    02/24/2015 - 12:00 Health, Physiology, Nutrition
  • Feature

    Searching for distant signals

    View interactive map

    Duncan Lorimer wasn’t looking for an eruption of radio waves from another galaxy. He and his student David Narkevic were mining old data from Australia’s Parkes Radio Telescope for oddly behaving pulsars, the rapidly spinning cores of dead massive stars. Instead, they found a strange burst of radio noise recorded in 2001 that appeared to originate well beyond one of...

    07/25/2014 - 15:55 Astronomy
  • News

    Gulf spill harmed small fish, studies indicate

    LONG BEACH, Calif. — Two years after BP’s Deepwater Horizon well blowout, laboratory studies are finally offering clues to the spilled oil’s impact on sea life. Brief, very low exposures to oil were capable of killing many fish embryos and hatchlings, new studies show. Those that survived often exhibited major deformities that would diminish an animal’s fitness.

    Affected...

    11/19/2012 - 11:24 Earth & Environment
  • News

    Shocking experiment shows talk is cheap

    SAN FRANCISCO — When faced with a thorny moral dilemma, what people say they would do and what people actually do are two very different things, a new study finds. In a hypothetical scenario, most people said they would never subject another person to a painful electric shock, just to make a little bit of money. But for people given a real-world choice, the sparks flew.

     The results,...

    04/06/2011 - 15:41 Psychology
  • Feature

    Tales of the Undammed

    An unusual explosion along the Rappahannock River on Feb. 23 defined the day for thousands of onlookers. As planned, at least 650 pounds of explosives blasted a 40-meter-long hole through the bottom of Embrey Dam near Fredericksburg, Va. Immediately, the water began to flow as it hadn't in about 150 years, since the predecessor to this 6.7-m-tall barrier was constructed. Local, state, and...

    04/04/2004 - 19:33 Earth & Environment
  • Feature

    The Vaccinia Dilemma

    Consider two troubling scenarios. First, imagine that the government's current smallpox vaccination campaign peters out before even a million people are vaccinated. Then, a month or perhaps a decade from now, terrorists cause simultaneous smallpox outbreaks in several cities. Within days, cases of the once-eradicated disease pop up across the country and around the world. The epidemic burns...

    03/31/2003 - 18:12 Biomedicine
  • Feature

    Science's New Cold War

    04/02/1983 - 00:00
  • Feature

    Front Matter

    06/05/1982 - 00:00
  • Feature

    Back Matter

    09/15/1979 - 00:00