Uncategorized

  1. Life

    Mitochondrial DNA replacement successful in Rhesus monkeys

    New procedure may halt some serious inherited diseases, a study suggests.

    By Laura Sanders
  2. Space

    Particle imbalance may upset the apple cart

    An asymmetry that the standard model of particle physics may not account for hints at the existence of a new and massive elementary particle.

    By Ron Cowen
  3. Chemistry

    Leptin leads to hamster baby boom

    High levels of leptin may tell mother hamsters to invest in larger litters, a new study suggests.

    By Jenny Lauren Lee
  4. Health & Medicine

    Vitamin D may be heart protective

    Vitamin D limits arterial plaque buildup in people with diabetes, early tests suggest.