News

  1. Tech

    Miniaturized 3-D Printing: New polymer ink writes tiny structures

    A new 3-D printer can build up complex polymer microstructures with features small enough for creating photonic crystals or scaffolds for tissue engineering.

    By Alexandra Goho
  2. Planetary Science

    Signs of Water Flow: Oceans of data point to ancient Martian sea

    A robotic rover on Mars has found strong evidence that some rocks near the Martian equator were laid down by a shallow, ancient ocean, indicating one of the most likely places to look for remains of life on the Red Planet.

    By Ron Cowen
  3. Anthropology

    Evolution’s Lost Bite: Gene change tied to ancestral brain gains

    In a controversial new report, a research team proposes that an inactivating gene mutation unique to people emerged around 2.4