News

  1. Health & Medicine

    Parkinson’s brain surgery works in older patients, too

    A surgery in which two tiny electrodes are placed in the brain improves the quality of life of patients with Parkinson’s disease, including older patients, and seems to have only short-term side effects.

    By Nathan Seppa
  2. Space

    Evolution, 3-D animation of Cassiopeia A

    Videos chart old supernova remnant, give 3-D perspective

    By Ron Cowen
  3. Math

    Mathematicians show how beetles can share a niche

    New equations help solve decades-old puzzle of why one species doesn’t always outcompete another.

    By Patrick Barry
  4. Life

    Rock-climbing fish caught in evolution tug-of-war

    Tall is good for dodging danger, but short is better for climbing waterfalls.