Don't touch! A scientist's advice for spotting poison ivy before it ruins your summer

Poison ivy can take over a dead tree, like this one on the Virginia Tech golf course. From afar, it looks like it could be an evergreen. Up close, it becomes clear that this is a nightmare of nature.
Poison ivy can take over a dead tree, like this one on the Virginia Tech golf course. From afar, it looks like it could be an evergreen. Up close, it becomes clear that this is a nightmare of nature.