Uncategorized

  1. Life

    Baby’s first bacteria depend on birth route

    C-section newborns may harbor fewer helpful microbes than infants born vaginally.

    By Rachel Ehrenberg
  2. Anthropology

    Lucy fossil gets jolted upright by Big Man

    Scientists have unearthed a 3.6-million-year-old partial hominid skeleton that may recast the iconic species as humanlike walkers.

    By Bruce Bower
  3. Earth

    Even a newborn canyon is big in Texas

    A flood carved a surprisingly large gorge that may help understand features on Earth and Mars.

    By Sid Perkins

  4. Fat chance

    Scientists are working out ways to rev up the body’s gut-busting machinery.

    By Laura Beil

  5. Life from scratch

    Relaunching biology from the beginning.