News

  1. Earth

    Flaws make it a geologist’s best friend

    By analyzing some of a diamond's trapped impurities, researchers were able to measure remnants of the gargantuan pressure that produced the gem.

    By Sid Perkins
  2. Health & Medicine

    AIDS Vaccine Tests Well in Monkeys

    An experimental AIDS vaccine bolstered with two immune proteins protects rhesus monkeys from the disease even when they are exposed to a combination of simian and human immunodeficiency virus.

    By Nathan Seppa
  3. Animals

    New Green Eyes: First butterfly that’s genetically modified

    Scientists have genetically engineered a butterfly for the first time, putting a jellyfish protein into a tropical African species so that its eyes fluoresce green.