News

  1. Health & Medicine

    Bird flu has been invading the brains of mammals. Here’s why

    Although H5N1 and its relatives can cause mild disease in some animals, these viruses are more likely to infect brain tissue than other types of flu.

    By Erin Garcia de Jesús
  2. Genetics

    Freeze-drying turned a woolly mammoth’s DNA into 3-D ‘chromoglass’

    A new technique for probing the 3-D structure of ancient DNA may help scientists learn how extinct animals functioned, not just what they looked like.

    By Tina Hesman Saey
  3. Environment

    Landfills belch toxic ‘forever chemicals’ into the air

    An analysis of samples from three Florida landfills shows that landfill gas can carry more PFAS than the liquid that leaches from the waste.