News

  1. Life

    Hydrogen sulfide offers clue to how reducing calories lengthens lives

    Cutting calories boosts hydrogen sulfide production, which leads to more resilient cells and longer lives, a new study suggests.

    By Tina Hesman Saey
  2. Chemistry

    Retraction looms for brute-force chemistry study

    A 2011 study on tearing apart ring-shaped molecules is set to be retracted following a misconduct investigation.

    By Beth Mole
  3. Archaeology

    Ancient Egyptian blue glass beads reached Scandinavia

    Chemical analysis of Danish discoveries extends northern reach of Bronze Age trade.

    By Bruce Bower
  4. Animals

    Lucky break documents warbler tornado warning

    Warblers fitted with data collecting devices for other reasons reveal early and extreme measures when dodging April’s tornado outbreak.