News

  1. Health & Medicine

    Why antipsychotics need time to kick in

    Insight into how some schizophrenia drugs work may explain why compounds that build up in the brain can take weeks to provide relief.

    By Laura Sanders
  2. Earth

    Arctic’s wintry blanket can be warming

    Forested snowscapes keep northern soils relatively toasty, diminishing how much climate-warming carbon they can sequester from the atmosphere.

    By Janet Raloff
  3. Animals

    How a mosquito survives a raindrop hit

    Lightweight insects can ride a water droplet, as long as they separate from it before hitting the ground.

    By Susan Milius
  4. Life

    Ancient birds wiped out huge insects

    Competition in the air trumped the advantage of extra atmospheric oxygen.