News

  1. Health & Medicine

    Caffeine intake tied to miscarriage

    Intake of caffeine equal to two cups of coffee per day seems to double a woman's risk of miscarriage.

    By Nathan Seppa
  2. Humans

    Heed your elders, survive a tsunami

    An oral tradition passed down among islanders in the South Pacific saved many lives during a tsunami last year and illustrates the benefits that community-based education and awareness programs can provide.

    By Sid Perkins
  3. Tech

    Nanocrystal

    Researchers have used DNA as Velcro to create the first materials that spontaneously assemble into regular 3-D patterns.

    By Davide Castelvecchi
  4. Animals

    Bird fads weaken sexual selection

    There's a new look for a hot male among lark buntings every year.