Uncategorized

  1. Health & Medicine

    Gene might contribute to asthma risk

    Variations in a gene called ADAM33 may predispose a person to asthma.

    By Nathan Seppa
  2. Chemistry

    Material could halt catalyst waste

    New research suggests a way that carmakers might use less of expensive metal materials in automobiles' catalytic converters.

    By Jessica Gorman
  3. Health & Medicine

    Hormone therapy falls out of favor

    Several studies now indicate that health risks associated with hormone replacement therapy for postmenopausal women outweigh its benefits.

    By Nathan Seppa
  4. Archaeology

    Ancient site yields a copper whopper

    Excavations in Jordan revealed the largest known Early Bronze Age metal-production facility, where workers crafted high-quality copper tools and ingots beginning around 4,700 years ago.