Instruct: Classify Amazon reviews into positive or negative sentiment
Query: So dumbed down as to be unbearable.

I wanted to like this book, I really did. The subject matter fascinates me. but I just couldn't bear the stupidity of the writing. It feels like a TV documentary --- nothing is actually explained just as what it is. Instead everything, and I mean EVERYTHING, has to analogized and anthropomorphized. Nothing is ever simply stated if, instead, it can be presented in the form of an interview with another scientist.Look, if you enjoy science TV documentaries, maybe you'll love it. But if you can't stand stuff so dumbed down as not to be threatening to a 12 year old, give this a miss. Go read Sean Carroll's _Endless Forms Most Beautiful_, or Andrew Knoll's _Life on a Young Planet_, which are both fine examples of how to write popular science in a way that isn't irritating beyond belief.