News

  1. Quantum Physics

    A measurement of positronium’s energy levels confounds scientists

    A gap in the energy levels of positronium seems to be substantially larger than predicted, and physicists don’t know why.

    By Emily Conover
  2. Health & Medicine

    New treatments aim to treat COVID-19 early, before it gets serious

    Some new drugs that may stop the coronavirus from getting into cells, or from reproducing itself, may treat the illness as soon as it’s diagnosed.

    By Tina Hesman Saey
  3. Animals

    Genetically modified mosquitoes have been OK’d for a first U.S. test flight

    After a decade of heated debate, free-flying swarms aimed at shrinking dengue-carrying mosquito populations gets a nod for 2021 in the Florida Keys.