News

  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. Life

    Mitochondria variants battle for cell supremacy

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

    By Tina Hesman Saey
  3. Health & Medicine

    Low social status leads to off-kilter immune system

    Low social status tips immune system toward inflammation seen in chronic diseases, a monkey study shows.

    By Rachel Ehrenberg
  4. Archaeology

    Ancient cemetery provides peek into Philistines’ lives, health

    Burial site offers new look at Israelites’ mysterious enemies.

    By Bruce Bower
  5. Humans

    Oldest alphabet identified as Hebrew

    Contested study indicates ancient Israelites developed first alphabet from Egyptian hieroglyphics.