Uncategorized

  1. Archaeology

    Ancient human DNA was extracted from a 20,000-year-old deer tooth pendant

    Insights into Stone Age people’s lives may soon come from a new, nondestructive DNA extraction method.

    By Bruce Bower
  2. Animals

    A 2,200-year-old poop time capsule reveals secrets of the Andean condor

    Guano that has accumulated in a cliffside Andean condor nest for 2,200 years reveals how the now-vulnerable birds responded to a changing environment.

    By Jake Buehler
  3. Health & Medicine

    Ultrasound allows a chemotherapy drug to enter the human brain

    An early-stage clinical trial demonstrates a technique for getting a powerful chemotherapy drug past the usually impenetrable blood-brain barrier.

    By McKenzie Prillaman
  4. Animals

    This marine biologist is on a mission to save endangered rays

    Jessica Pate and the Florida Manta Project confirm that endangered mantas are mating and sicklefin devils are migrating along the East Coast.