Uncategorized

  1. Boys and girls are suffering, but in different ways

    By Nancy Shute
  2. Life

    1.6-billion-year-old steroid fossils hint at a lost world of microbial life

    Molecular fossils suggest the existence of a lost world of primitive eukaryotes that dominated aquatic ecosystems from at least 1.6 billion to 0.8 billion years ago.

    By Soumya Sagar
  3. Astronomy

    A star cluster in the Milky Way appears to be as old as the universe

    Globular cluster M92 is about 13.8 billion years old, a new calculation suggests. Getting the age right could help resolve a bigger cosmic conundrum.

    By Lisa Grossman
  4. Earth

    Irrigation may be shifting Earth’s rotational axis

    Computer simulations suggest that from 1993 to 2010 irrigation alone could have nudged the North Pole by about 78 centimeters.