News

  1. Astronomy

    Galactic split provides clue to dark matter mystery

    An oddly divided galaxy may provide the first evidence that dark matter particles interact through a force other than gravity.

    By Andrew Grant
  2. Plants

    From lemons to kumquats, roots of citrus variety dug up

    Citrus fruits’ lineage is traced through chloroplast DNA, revealing both maternal and paternal heritage.

    By Tina Hesman Saey
  3. Health & Medicine

    Genes may influence placebo effect

    Certain gene variants may predispose people to experience the placebo effect, which may have implications for clinical trials and personalized medicine.

    By Ashley Yeager
  4. Environment

    Oil from BP spill probably sprayed out in tiny drops

    Oil that gushed from the well in the 2010 Deepwater Horizon spill may have shattered into tiny droplets, with high pressures doing the work of dispersants.