Uncategorized

  1. Materials Science

    Printing scheme could yield 3-D photonic crystals

    An innovative printing scheme makes three-dimensional crystal structures that could be used to control the flow of light.

    By Alexandra Goho
  2. Anthropology

    DNA to Neandertals: Lighten up

    DNA analysis indicates that some Neandertals may have had a gene for pale skin and red hair.

    By Bruce Bower
  3. Astronomy

    Gammas from Heaven

    An orbiting gamma-ray observatory, set for launch next spring, will seek out the most violent events in the cosmos.

    By Ron Cowen
  4. Anthropology

    Fossil Sparks

    Two new fossil discoveries and an analysis of ancient teeth challenge traditional assumptions about ape and human evolution.