The attack at a synagogue in Pittsburgh and the sending of pipe bombs to critics of the current administration are examples of the increase in the violence on the margins of the right.

One of the main reasons polarization in the US is on the rise – the way congressional seats are drawn to favor parties – isn't going away anytime soon.

The opioid epidemic has hit parts of Appalachia very hard' places where cancer rates are high. Many patients are surviving cancer treatment only to become addicted.

Many Americans view the Amish as living simply and in touch with the land, but their views about the environment are complicated and not always 'green.'

Most math classrooms feature a teacher lecturing and students quietly working on problems. But research shows that a different approach would lead to better results.

The holiday used to be all about trick-or-treating in the neighborhood. No more – and it could something to do with the fact that traditional markers of adulthood have changed.

The US went crazy for Seabiscuit when he won his famous 1938 match race against War Admiral. Now researchers are investigating the thoroughbred's DNA to see what made him such an unlikely success.

Biometrics are more secure than passwords – but when they're compromised fingerprints and retina scans are hard to reset. Brain responses to specific stimuli are as secure and, crucially, resettable.

Researchers are exploring the genetic differences that dictate why some people suffer greater pain than others, and how to translate these findings into personalized pain treatments.

Just what role does exercise play in weight loss? Plenty. While word has spread in recent years that physical activity isn't all that important, a doctor debunks that myth.