May 17, 2012
Hemlock History Repeating Itself?
Scientists trying to save eastern hemlock trees from widespread insect attacks may have uncovered a case of déjà vu, dating back millennia. “Our hypothesis is that 7,000 to 8,000 years ago, insects hammered the eastern hemlock in a similar way to how it’s being hammered now,” says Kevin Potter, lead researcher on a paper published…