News

  1. Health & Medicine

    Urine test signals pregnancy problem

    A simple urine test can warn women that they have an increased risk of preeclampsia, a dangerous complication of pregnancy.

    By Nathan Seppa
  2. Tech

    Congealing useful oddballs

    A device for manipulating liquid droplets turns out to have the unexpected ability to fabricate tiny, solid balls with unusual, and potentially useful, patterned structures inside.

    By Peter Weiss
  3. Chemistry

    Building artificial cells from scratch

    Scientists have created artificial cells that can live and produce proteins as their natural counterparts do, but can't replicate.

    By Alexandra Goho
  4. Tech

    Thrifty trucks go with the flow

    Forcing air through strategically placed slits on a tractor trailer results in a major boost in fuel economy.