News

  1. Chemistry

    Aerosols cloud the climate picture

    A NASA model incorporates how atmospheric aerosols and greenhouse gases interact, yielding better estimates of the gases' warming and cooling effects.

    By Sid Perkins
  2. Health & Medicine

    Flu shots for moms-to-be benefit babies

    Study of about 4,000 pregnant women shows link between newborn health and whether mom got vaccinated

    By Nathan Seppa
  3. Animals

    Scent of alarm identifies male bed bugs

    When mistaken for females, the guys release an alarming pheromone.

    By Susan Milius
  4. Life

    Birds’ eyes, not beaks, sense magnetic fields

    A new study pinpoints migratory songbirds’ magnetic compass in a specific brain region.

    By Laura Sanders
  5. Space

    Gamma-ray observations shrink known grain size of spacetime

    A new study eliminates some theories of quantum gravity by finding that spacetime isn’t as lumpy as some models had proposed.