News

  1. Genetics

    All identical twins may share a common set of chemical markers on their DNA

    Identical twins may share a set of unique chemical tags on their DNA that could be used to identify individuals who were conceived as identical twins.

    By Jonathan Lambert
  2. Materials Science

    These colorful butterflies were created using transparent ink

    See-through printer ink can create a whole spectrum of colors when printed in precise, microscale patterns.

    By Maria Temming
  3. Paleontology

    This is the oldest fossil evidence of spider moms taking care of their young

    A spider trapped in amber 99 million years ago guarded her eggs and may have helped raise her young.

    By Freda Kreier
  4. Anthropology

    ‘Ghost tracks’ suggest people came to the Americas earlier than once thought

    Prehistoric people’s footprints show that humans were in North America during the height of the last ice age, researchers say.