Why are people getting skinnier?

Just how dangerous do you think the world is? Because that changes how you'd punish a violent criminal (if you're a woman). Also, if you're frustrated with your democratically elected government... what alternatives are you open to?

You know that stab of anxious envy when you see people having a good time (without you)? You can get rid of that. Also, Gabe and Conor are back — with an unfortunate story about a random act of violence.

Nations are buying H5N1 bird flu vaccines amid the spread of the virus among livestock in the US. At least two children in North America have contracted the disease from unknown sources. How serious is the situation?

Some people seem very good at guessing what you're thinking. And some of us might find that we think very deeply about what people are thinking or feeling. The reason appears linked to special connections between some the youngest parts of the brain, evolved 300 million years ago. We explored…

Being discriminated against — due to your ethnicity, gender, sexuality, religion, age or anything else — is harmful and wrong. A new study shows it also... changes the bacteria in your stool?