“If we want to bring moral considerations into the argument (for perpetuating the war in Afghanistan), and I’d argue we ought to, then please let’s do it in a serious way. It has to be about something more than we want to be able to sleep well tonight, so let me send some American soldiers somewhere so I can sleep well. That’s not moral. That’s not even serious.” — Andrew J. BacevichFrom MIT World

An artist's impression depicting a network of neurons of the nervous system.Image: Maurizio De Angelis/Wellcome Images
Complex brain function depends on flexibility
Neurons that can multitask greatly enhance the brain’s computational power, study finds.