Uncategorized

  1. Genetics

    Editing human germline cells sparks ethics debate

    Human gene editing experiments raise scientific and societal questions.

    By Tina Hesman Saey
  2. Chemistry

    Bacteria staining method has long been misexplained

    New research upends what scientists know about a classic lab technique, called gram staining, used for more than a century to characterized and classify bacteria.

    By Beth Mole
  3. Astronomy

    ‘Black Hole’ traces 100 years of a transformative idea

    Implied by general relativity and proven by astronomical discoveries, black holes’ existence took decades for physicists to accept.

    By Tom Siegfried
  4. Microbes

    Possible nearest living relatives to complex life found in seafloor mud

    New phylum of sea-bottom archaea microbes could be closest living relatives yet found to the eukaryote domain of complex life that includes people.