Firefox Beta Touts Advanced Engine, Solves 8 Flaws
Parent-guy, you should give your post better titles so people will not assume it's not just the millionth empty riff.
Creating Prion-Free Cows
It's a recent piece - this lasts an hour I think, but it's worth it.
A /very/ short version is (listen, really), that they can only change genes crudely, you don't know what else has changed along with the intended one. The lack of controls, and the effects, will shock you. And this is recent, say, end of 2005.