News

  1. Animals

    Profiles in Courtship: Flirting male fish show their best sides

    Courting male guppies that sport a tad more orange on one side of their bodies than on the other tend to flash that brighter side at females.

    By Susan Milius
  2. Paleontology

    Jurassic CSI: Fossils indicate central nervous system damage

    Fossils found in the head-thrown-back position, the so-called "dead bird" pose, probably died from central nervous system damage.

    By Carolyn Barry
  3. Chemistry

    Beyond Ethanol: Synthetic fuel offers promising alternative

    A faster, simpler manufacturing technique could make a synthetic biofuel into an even stronger competitor to ethanol.

    By Davide Castelvecchi
  4. Materials Science

    Needling Cells: Stem cells could take their cues from silicon nanowires

    Scientists have grown mouse stem cells on a bed of silicon nano-needles, hoping that they will be able to guide the cells' development through electrical stimulation.