Why mass shootings don't lead to gun control

Mass shootings happen with numbing frequency in the United States. Despite the extraordinary tragedy of these events, such as the shooting at Columbine High School twenty years ago this week, little progress has been made ...

How accurate are dog-activity trackers?

There are countless gadgets available these days for people to track everything from our heart rate to our stress levels. So perhaps it's no surprise that there also are quite a few products that now claim to similarly monitor ...

Climate change in the balance

The United States and China together account for nearly 45 percent of global carbon dioxide emissions from fossil fuels, so their decisions have a major impact on the pace and magnitude of climate change.

Stalking the drones

Drones are becoming ubiquitous—they help bridge inspectors examine otherwise inaccessible spaces, monitor crop health for farmers, and assist search and rescue teams. They are also a boon to bad guys, from drug runners ...

Overfishing and modern-day slavery

You're about to make a sandwich with canned albacore tuna today, and thinking that it's all a good thing—nutritionists talk about the health benefits of eating more seafood, after all. One thing you probably didn't think ...

Turning around urban decline

We've all seen the photos of Detroit when it was at its lowest point after the 2008 recession: street after street of vacant lots and abandoned homes—a city in visible decline. It might have been the poster child for urban ...

page 18 from 32