Uncategorized

  1. Anthropology

    Footprints offer clues about daily hominid life

    Early male members of the human genus spent a lot of time together by the water, as their footprints attest.

    By Bruce Bower
  2. Neuroscience

    Rats can navigate mazes, even when blind

    Blind rats can learn to navigate with a compass and microchip prosthetic wired into their brains. Similar devices may one day help humans have super senses.

    By Ashley Yeager
  3. Animals

    Fossilized seashells’ true colors revealed

    To the naked eye, fossilized seashells lack the colorful patterns of their living counterparts. But ultraviolet light can reveal some of their unique hues.

    By Helen Thompson
  4. Health & Medicine

    A more accurate prenatal test to predict Down syndrome

    A test to detect genetic problems such as Down syndrome examines a baby’s DNA in the mother’s blood and may limit the need for more invasive screening.