Uncategorized

  1. Health & Medicine

    Breast-feeding has protective bonus

    Breast-feeding appears to help ward off breast cancer.

    By Damaris Christensen
  2. Materials Science

    New gel could lead to cartilage repair

    A new scaffold material that contains cartilage cells and encourages their growth could help scientists create living tissue replacements suitable for treating osteoarthritis and sports injuries.

    By Jessica Gorman
  3. Materials Science

    Gems of War

    While international bodies grapple with regulatory schemes to stem the diamond trade that funds ongoing civil conflicts in African countries, scientists are attempting to develop methods for identifying gems from conflict zones.

    By John Pickrell
  4. Tech

    Shrinking toward the Ultimate Transistor

    Scientists demonstrate transistor action in an atom—or two.