On Twitter this week, Elizabeth Sandquist, who describes herself as a biochemistry and molecular biology PhD student, proposed that "you can't just be good to succeed in #science, you have to be exceptional." Over at the Giraffes, Elephants, and Baboons blog, NeuroPolarbear says that, for the most part, "if you are smart enough to get into grad school, you probably have all the talent required to be successful in science." According to NeuroPolarbear, the single biggest factor in determining a sc