Uncategorized

  1. Anthropology

    Buff upper arms let Lucy climb trees

    Australopithecus afarensis’ heavily built arms supported tree climbing, scans of Lucy’s fossils suggest.

    By Bruce Bower
  2. Chemistry

    Names for four new elements get seal of approval

    The International Union of Pure and Applied Chemistry has approved the proposed names for the four elements added to the periodic table in December 2015.

    By Emily Conover
  3. Planetary Science

    Ice gave Pluto a heavy heart

    Sputnik Planitia, the left half of Pluto’s heart-shaped region, might have been carved out by the weight of thick layers of ice built up billions of years ago.

    By Christopher Crockett
  4. Life

    Mitochondria variants battle for cell supremacy

    Some mitochondria are more competitive than others, which could complicate treatments for mitochondrial diseases.