Using airborne mapping, researchers are discovering new archeological sites that show pre-Columbian Mesoamerica was “significantly more densely populated at the time of European contact” than previously thought.

Learn about the Inquiry in Rain Forests professional development program for science teachers, co-taught by "Miller & Levine Biology" author Joe Levine.

Although the Brazilian Amazon has recently experienced a decline in deforestation rates, researchers writing in Science say that forest fires in the region are on the rise—and that the benefits of decreased deforestation could be partially offset by increased carbon dioxide emissions from those fires.