News in Brief

  1. Life

    New virus uses protein handle to infect cells

    Deadly coronavirus related to SARS attaches to protein on cells unlike the one SARS uses.

    By Tina Hesman Saey
  2. Health & Medicine

    Heart benefits from quitting smoking outweigh weight gain

    People who give up cigarettes have fewer heart problems despite gaining weight.

    By Nathan Seppa
  3. Earth

    Canada’s ice shrinking rapidly

    Melt from Arctic Archipelago will raise sea levels by 3.5 centimeters.

    By Erin Wayman
  4. Physics

    Particle caught flip-flopping

    At the Large Hadron Collider, researchers observe D mesons oscillate between particle and antiparticle.

    By Andrew Grant
  5. Chemistry

    Missing link in taste chain identified

    Taste-cell protein sends message to brain that tongue has detected sweet, bitter or umami flavor.