A copper nail is said to be enough to kill an entire tree–a myth that has persisted for decades. But is there any truth to it, or is it just an old rumor? myHOMEBOOK investigates. A tree right on the ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, the persistent myth has been that driving a copper nail into a tree will cause it to die. Photo: Getty Images / ...