Lefty or righty? A new study links a larger anterior cingulate cortex (left) to politically liberal views and a larger right amygdala to conservatism. Image: R. Kanai et al., Current Biology, 21 (26 April 2011)What makes...

Michael Westmoreland-White sees the Star Trek universe as a liberal or progressive vision of the future, featuring things such as racial and gender equality, free universal health care, and an absence of imperalism. I'm...