Uncategorized

  1. Animals

    Looks Matter: If swallows aren’t spiffy, mates’ fidelity is iffy

    If a male barn swallow's plumage is more attractive than that of other males, his mate is less likely to have furtive flings with other wooers.

    By Sid Perkins
  2. Health & Medicine

    Falling Influence: Influenza fighters have limited effects

    The most readily available drugs against influenza have abruptly declined in effectiveness in the past decade.

    By Ben Harder
  3. Planetary Science

    Sun grazers: A thousand comets and counting

    An amateur astronomer analyzing images from the Solar and Heliospheric Observatory has found the 999th and 1,000th comets detected by the craft.

    By Ron Cowen
  4. Tech

    Light sensor may improve battlefield tools

    A new microscale ultraviolet-light sensor could help shrink the size of some military field systems used for detecting biowarfare agents and clandestine communications to the dimensions of a cell phone.