Storing seeds for a rainy day -- or in this case, a fire
Tuesday, May 31, 2011 - 15:31
in Biology & Nature
As mountain pine beetles march across the forests of western North America, these insects may kill millions of pine trees during a single outbreak. A rise in overall temperatures over the past several years has increased the range of mountain pine beetles, resulting in an epidemic and possibly making this mountain pine beetle infestation the largest forest-insect blight to occur in North America.