Uncategorized

  1. Particle Physics

    Neutrinos’ maximum possible mass shrinks further

    The KATRIN experiment in Germany nearly halved the maximum possible mass for neutrinos, setting it at 0.45 electron volts.

    By Emily Conover
  2. Anthropology

    Denisovans inhabited Taiwan, new fossil evidence suggests

    An expanding geographic range for these close Neandertal relatives leaves Denisovans' evolutionary status uncertain.

    By Bruce Bower
  3. Health & Medicine

    A shadowy market for weight-loss drugs has emerged online

    People are buying semaglutide and tirzepatide, the key ingredients in Ozempic and Zepbound, from unconventional sources. Doctors have safety concerns.

    By Meghan Rosen
  4. Neuroscience

    Memory manipulation is the stuff of sci-fi. Someday it could be real

    Experiments point to how scientists can strengthen or weaken memories, which may eventually lead to treatments for Alzheimer’s disease or PTSD.