News

  1. Life

    Study shows where identical twins part ways

    By birth, genetic doubles are already using their DNA differently.

    By Tina Hesman Saey
  2. Humans

    Afghanistan on 240 incidents a week

    A computer simulation forecasts insurgent activity by analyzing U.S. military logs released on WikiLeaks.

    By Rachel Ehrenberg
  3. Physics

    How to walk on water

    Physicists use X-rays to probe how a fluid can support a person's weight.

    By Devin Powell
  4. Health & Medicine

    White dental fillings may impair kids’ behavior

    Effects seen only for fillings that used bis-GMA, a resin derived from bisphenol A.

    By Janet Raloff
  5. Life

    Insulin may be Big Antler hormone

    Extra sensitivity to the hormone in certain developing tissues might give animals their oversized weapons and ornaments.