Viral news and the "Valley of Ambiguity"

i09's Annalee Newitz has a theory about why some stories get shared around the Internet more than others — and, not coincidentally, why nuanced stories about science tend to get shared less than, say, the average LOLcat. If she's right, the real trick with science reporting on the Internet is to write accurate stories that aren't all reported from deep in the Valley of Ambiguity.