News

  1. Physics

    The universe might have a fundamental clock that ticks very, very fast

    A theoretical study could help physicists searching for a theory of quantum gravity.

    By Emily Conover
  2. Health & Medicine

    These cells slow an immune response. Derailing them could help fight tumors

    Immune therapies don’t work for a lot of cancer patients. Some researchers are enhancing these treatments with drugs that stymie suppressor cells.

    By Esther Landhuis
  3. Health & Medicine

    A COVID-19 vaccine may come soon. Will the blistering pace backfire?

    Speed is essential, but not at the expense of safety and efficacy, experts warn. Sacrificing either could damage public trust.

    By Tina Hesman Saey
  4. Neuroscience

    Boosting a liver protein may mimic the brain benefits of exercise

    Finding that liver-made proteins influence the brain may advance the quest for an “exercise pill” that can deliver the benefits of physical activity.