Many recent executions in the US by lethal injections have resulted in prolonged suffering before death. A historian asks: Could the guillotine be a preferable method?

Investing in farming methods that improve lands and water, and in rural infrastructure and markets, could bring new prosperity to agricultural communities.

Brain functions integrate and compress multiple components of an experience, including sight and smell – which simply can't be handled in the way computers sense, process and store data.

Efforts to 'harden' school buildings could distract from the need to focus on human behavior and what's known about school shooters.

Donald Trump has some ideas about how to end homelessness in the US. Los Angeles' recent experiences may be an important part of the discussion.

Francis Townsend had a similar if less ambitious idea in the 1930s that never got through Congress but ended up making Social Security a lot more generous.

Up until the 1919 Black Sox Scandal, gambling and baseball had a marriage of convenience. A century later, gambling is again being seen as a solution to the sport's woes.

Suicide is the second leading cause of death for teens in America. But there may be ways to study the stress response and figure out who is most at risk.

Somewhere between the early Buddhist times and today, worries about game addiction have given way to scientific understanding of the benefits of play, rather than its detriments.

Blue light has been getting blamed for sleep interruption and eye strain. But the facts are that any bright light interferes with sleep, and computers themselves cause eye strain, an eye doctor says.

Senate Majority Leader Mitch McConnell is known as a master of Senate rules. If the House impeaches President Trump, what could he do to influence the process – and outcome – of a trial?