Oh, and we mean that not just figuratively, but literally as well -- they could actually be caused to burst into flames by some ne'er-do-well half-way around the globe.

ENGADGET: Researchers expose printer vulnerability, turn LaserJets into literal time bombs (update)

About half of children who go to the ER with head injuries get this radiation-heavy scan, and clinical observation first could help some who don't really need a CT avoid it.

NPR: Doc Groups Issue List Of Overused Tests, Therapies