Towards responsible use of cognitive-enhancing drugs by the healthy - a commentary in Nature that says, "we call for a presumption that mentally competent adults should be able to engage in cognitive enhancement using drugs". Farkesque debate here. [more inside]
Economist Steven Levitt, author of Freakonomics, has long posited a controversial thesis that legalized abortion help reduced crime, by reducing unwanted children, prone to crime. However, a new paper argues that Levitt (& Donohue) made serious errors in their research. Properly analysed, abortion has no significant effect on crime. Levitt disagrees, of course.