News

  1. Earth

    Famed undersea vent may be lost

    When scientists last month tried to revisit an undersea hydrothermal vent first discovered nearly a quarter of a century ago, they found the site desolate, possibly paved by a fresh volcanic eruption.

    By Sid Perkins
  2. Earth

    Mangled microfossils may mark impact sites

    Scientists studying sediment cores drilled in eastern Virginia say they’ve possibly identified a new clue to the locations of ancient, hidden impact craters: Just look for broken or twisted microbial fossils.

    By Sid Perkins
  3. Humans

    Small lab animals exempted from law

    The new farm bill explicitly exempts rats, mice, and birds from coverage under the federal Animal Welfare Act.