News

  1. Animals

    Pothole Pals: Ants pave roads for fellow raiders

    By throwing their bodies into tiny potholes on rough trails, army ants enable their comrade to race over them, improving the colony's overall foraging success.

    By Susan Milius
  2. Health & Medicine

    Early Start: Fetuses generate immune response to vaccination

    A fetus can manufacture immune cells and antibodies in direct response to vaccine given to the mother during pregnancy.

    By Nathan Seppa
  3. Earth

    Ice Age Ends Smashingly: Did a comet blow up over eastern Canada?

    An extraterrestrial object apparently exploded above Canada about 12,900 years ago, sparking devastating wildfires and triggering a millennium-long cold spell.

    By Sid Perkins
  4. Earth

    Using seismometers to monitor glaciers

    Seismic instruments could be used to estimate the amount of ice that shears away from glaciers as they flow into the sea, offering a way to better estimate sea level rise due to the breakup of those ice masses.