News

  1. Health & Medicine

    Prenatal marijuana exposure may pose health risks

    Rats that were exposed to a marijuana-related chemical while in the womb show more memory lapses and hyperactivity than unexposed rats do.

    By Nathan Seppa
  2. Earth

    Ssshhh! South Pole has a new seismic station

    Seismometers recently installed near the South Pole reveal that the area is the quietest spot on the planet for eavesdropping on earthquakes.

    By Sid Perkins
  3. Health & Medicine

    Morbid Mystery Tour: Epidemic from China is encircling globe

    An outbreak of deadly pneumonia that apparently began in southern China spread in March to at least two other continents, including North America.

    By Ben Harder
  4. Paleontology

    Fine Toothcomb: New fossils add to primate-origins debate

    The discovery of 40-million-year-old teeth and jaw fragments belonging to ancient forms of lorises and bushbabies doubles the age of the fossil record for a major primate group.