Uncategorized

  1. Health & Medicine

    Cooperative sperm outrun loners in the mating race

    Sperm that swim in clusters travel more directly toward the uterus, while overcoming fluid currents in the reproductive tract.

    By James R. Riordon
  2. Neuroscience

    Why traumatic brain injuries raise the risk of a second, worse hit

    Recent hits to Miami Dolphins quarterback Tua Tagovailoa have reignited discussions of brain safety for professional football players. Brain experts weigh in.

    By Laura Sanders
  3. Animals

    Tree-climbing carnivores called fishers are back in Washington’s forests

    Thanks to a 14-year reintroduction effort, fishers, or “tree wolverines,” are once again climbing and hunting in Washington’s forests after fur trapping and habitat loss wiped them out.