By Ferris Jabr, Scientific American An excerpt: The English language is not especially kind to rats. We say we "smell a rat" when something doesn't feel right, refer to stressful competition as the "rat race," and scorn traitors who "rat on" friends. But rats don't...

From Science Daily Imagine a runaway boxcar heading toward five people who can't escape its path. Now imagine you had the power to reroute the boxcar onto different tracks with only one person along that route. Would you do it? That's the moral dilemma posed by a team of Michigan State University...

From TPM (The Philosopher's Magazine) In this activity you will be presented with 19 different scenarios. In each case, you will be asked to make a judgment about what is the morally right thing to do. When you have answered all the questions, you will be presented with an analysis of your responses...

By Laurie Santos from TED Talks Science of Virtues Scholar Laurie Santos looks for the roots of human irrationality by watching the way our primate relatives make decisions. A clever series of experiments in "monkeynomics" shows that some of the silly choices we make, monkeys make too. See...

By Richard Alleyne "Researchers found that "do-gooders" appear to be naturally stronger than their counterparts and that an act of heroism can actually improve your overall stamina.The findings turn upside down the idea that being altruistic can be detrimental to your own advancement.They...

By William Saletan | Slate "Is it OK to impregnate a 60-year-old woman? Should old women have babies? Until recently, this wasn't an issue. Nature exhausted your egg supply, and that was it. But technology has surmounted that problem. Now you can get in vitro fertilization, donor eggs, and womb...