An Exercise for Cultivating a Positive Outlook on Life

It's possible to change your cognitive bias by training the brain to focus more on the positive than on the negative. In the lab, Dr. Fox showed subjects pairs of images, one negative (the aftermath of a bomb blast, say) and one either positive (a cute child) or neutral (an office). Participants were asked to point out, as quickly as possible, a small target that appeared immediately after each positive or neutral image—subliminally requiring them to pay less attention to the negative images,...

 Who Really Needs Bioethics

Renegade scientists and totalitarian loonies are not the folks most likely to abuse genetic engineering. You and I are--not because we are bad but because we want to do good. In a world dominated by competition, parents understandably want to give their kids every advantage. ... The most likely way for eugenics to enter into our lives is through the front door as nervous parents ... will fall over one another to be first to give Junior a better set of genes.