News

  1. Animals

    Chytrid’s frog-killing toll has been tallied — and it’s bad

    Losses due to the amphibian-killing chytrid fungus are “the greatest documented loss of biodiversity attributable to a pathogen,” researchers find.

    By Kathleen O'Neil
  2. Health & Medicine

    Blood vessels built from a patient’s cells could help people on dialysis

    Bioengineered blood vessels could provide a safer alternative than donor vessels or synthetic implants.

    By Maria Temming
  3. Planetary Science

    Kuiper Belt dust may be in our atmosphere (and NASA labs) right now

    Bits of space debris that collect in Earth’s atmosphere may come from as far as the cold, distant Kuiper Belt region beyond Neptune.

    By Lisa Grossman
  4. Health & Medicine

    Sperm with damaged DNA may cause some repeat miscarriages

    An analysis of semen from men whose partners have experienced multiple miscarriages revealed abnormalities, a small study finds.