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  • Feature

    Mother lode

    A bonanza of potent disease-fighting compounds has been discovered in a surprisingly common source — the breasts of every nursing mother on the planet. Human milk, the only substance that evolved to feed and protect us, seems to contain a trove of medicines just now being unlocked by scientists.

    “We go down to the bottom of the ocean to find new compounds and test them out against...

    12/27/2013 - 14:05 Human Development, Microbes, Health
  • Feature

    Can you hear me now?

    The Earth is going silent. Digital television signals delivered by cable and satellite are quickly replacing analog broadcasts and reducing the number and power of radio waves leaking into space. For viewers at home, it means more channels and pictures of unsurpassed clarity. But for scientists seeking signs of advanced civilizations beyond the solar system, this sudden radio silence makes...

    04/09/2010 - 16:30 Astronomy
  • Feature

    Nurturing Our Microbes

    Each of us is a metropolis. Bustling about in everyone's body are tens of trillions of microbes. Some are descended from starter populations provided by mom during birth. Additional bacteria, yeasts, and other life forms hitchhike in with foods. By age 3, everyone's gut hosts a fairly stable, yet diverse, ecosystem.

    Most of the tiny stowaways hide out in the...

    02/26/2008 - 12:45 Biomedicine
  • Feature

    Law and Disorders

    01/07/1995 - 00:00
  • Feature

    Front Matter

    12/19/1981 - 00:00
  • Feature

    Dance versus Smell

    04/19/1969 - 00:00