News

  1. Archaeology

    Humans visited Arctic earlier than thought

    Human weapon injuries on mammoth bones show humans were in the Arctic up to 15,000 years earlier than researchers thought.

    By Chris Samoray
  2. Neuroscience

    Measuring brain waves may help predict a patient’s response to anesthesia

    Brain signatures hint at whether a person will resist or succumb to anesthesia.

    By Laura Sanders
  3. Environment

    PCB levels still high in Europe’s killer whales, smaller dolphins

    PCBs banned for decades still show up at extremely high concentrations in Europe’s killer whales and other dolphins.

    By Susan Milius
  4. Life

    Signs of food allergies may be present at birth

    Overactive immune cells may prime babies for food allergies.