Uncategorized

  1. Animals

    Sea cucumbers harbor ‘zombie’ tissues that won’t die

    Detached tissues from the sea cucumber's tube feet and feeding tentacles survived for more than three years, a find that could shape the study of aging.

    By Saugat Bolakhe
  2. Earth

    A tropical permafrost layer in Peru may be one of the world’s largest

    Vast permafrost beneath the upper slopes of Peru’s tallest volcano could become a regional water source as glaciers in the Andes retreat.

    By Danielle Beurteaux
  3. Space

    Is NASA falling out of love with Mars?

    Editor in chief Nancy Shute discusses NASA's rocky relationship with Mars exploration.

    By Nancy Shute
  4. Earth

    A 2011 earthquake bounced a seismic wave off Earth’s core, nudging Japan east

    The wave's round trip to Earth's core set off a fault slip along Japan's plate boundaries, revealing a seismic hazard scientists hadn't recognized.