Free Your Mind

Brain doping might not be bad, blogs Jonathan Eisen, though the NIH thinks otherwise, he adds, since they set up a World Anti Brain Doping Authority to regulate the use of brain-enhancing substances by scientists. Hsien-Hsien Lei adds that most genome-wide scans fail because of scientists' intellectual abilities. "I honestly don't care if scientists are indulging in brain-enhancing drugs as long as they get the job done," she writes.

If you like that one, check out Gmail's new custom time feature and this New York Times article.