Necropanspermia: was life created by zombie cells from outer space?

Sure, that's maybe the most ridiculous question we've posed. But a new theory suggests life's building blocks did originate in outer space, although they couldn't have survived traveling to Earth. And with an awesome name like necropanspermia, it's worth considering. » 11/14/10 8:00am 11/14/10 8:00am