Uncategorized

  1. Paleontology

    The first matrushka

    A newly found fossil preserves one creature inside another that lies nestled inside yet another, a Paleozoic version of the Russian nesting dolls known as matrushkas.

    By Sid Perkins
  2. 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
  3. 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
  4. Astronomy

    Gammas from Heaven

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