Uncategorized

  1. Earth

    Plate tectonics got an early start

    The chemistry of minerals preserved in Australian rocks suggests tectonic activity for Earth’s earliest eon.

    By Sid Perkins
  2. Health & Medicine

    Bone density may be determined in the gut

    A surprising new connection between the gut and bones may lead to new forms of treatment for human bone diseases such as osteoporosis.

    By Laura Sanders
  3. Earth

    Antidepressants make for sad fish

    Fish may suffer substantially from even brief encounters with antidepressants, which wastewater releases into river water.

    By Janet Raloff
  4. Health & Medicine

    Lifestyle may link depression and heart disease

    The association between depression and heart problems could stem from a lack of physical activity and other lifestyle factors.