When scientists want to test new therapies for cancer or heart disease, they frequently turn to mice for help. For most mice, this isn't the best thing that could happen to them. Being a research subject has definite disadvantages, at least for mice.
But most people prefer a new therapy be tested in a rodent rather than making a human patient the guinea pig — if you'll forgive the twisted metaphor.
Wizards, transformers and vampires did their best, but they couldn't transform 2011 into a magical year for Hollywood: Despite all the 3-D and IMAX screenings and the premium prices that come with them, industry box office sagged by half a billion dollars compared with last year. But quality? That's another story.