From New Scientist WHY do we sometimes wrestle with moral dilemmas? A twist on a classic psychology experiment suggests that our minds have two parallel moral systems, and they don't always agree. In the trolley experiment, participants are told that a runaway tram trolley could kill five people...

By Tiffanny O'Callaghan, in The New Scientist Disgust can be a bewildering emotion. In her new book, That's Disgusting, research psychologist Rachel Herz points out that our tendency to react by pulling away is based on a combination of self-preservation and learned behaviour. When we are grossed...

The Vexing Mental Tug-of-War Called Morality By Kristin Ohlson, Discover magazine Would you kill a crying baby to save yourself and others from hostile soldiers outside? Neuroscience offers new ways to approach such moral questions, allowing logic to triumph over deep-rooted instinct. You arrive at the...

By Laurence B. McCullough There are persistent tendencies in the bioethics literature to be imprecise about what “enhancement” means, to treat genetic enhancement as ethically sui generis . “Enhancement” in general means the improvement of human anatomy and therefore human appearance and of human physiology...