News

  1. Health & Medicine

    Edible vaccine spawns antibodies to virus

    Genetically engineered potatoes can deliver an edible vaccine against Norwalk virus, a common diarrhea-causing pathogen.

    By Nathan Seppa
  2. Earth

    Greenland’s ice is thinner at the margins

    The central portion of Greenland's ice sheet is, on the whole, not getting any thinner, but most margins of the ice sheet are thinning substantially and contributing to rising sea levels.

    By Sid Perkins

  3. E. coli toxin shows its deadly touch

    A toxin from a bacterium that causes food poisoning appears to kill cells by interacting with a protein called Bcl-2.

    By John Travis

  4. Sexual orientation linked to handedness

    A metanalysis reveals right-handedness is more common among heterosexuals than homosexuals, suggesting a neurobiological basis for sexual orientation.