MRI dislodges nail from man's head

The "M" in "MRI" stands for "magnetic," but that usually doesn't mean anything except that you need to take anything metal off your person before getting a scan. But what if you have something metal in your person -- like, say, a nail that's been stuck up your nose for 30 years? Well, then, an MRI might be just the thing to dislodge it. Read more...