In the last decade, Americans’ relationship with cannabis has transformed: today, dozens of states have legalized marijuana for medical or recreational use and American farmers can grow hemp on an industrial scale. Meanwhile, shoppers can find cannabidiol (CBD), which is derived from cannabis but...

Hammered by unprecedented natural disasters, parts of the United States have coped with raging wildfires, catastrophic hurricanes, dangerous heat levels, blizzards and floods. In addition, climate change has introduced new risks and exacerbated existing problems, according to the National Climate...

Antibiotics are a pillar of modern medicine. They have saved millions of lives. But as the use of antibiotics has increased, so has the proliferation of antibiotic-resistant microbes that have adapted to survive most, or all, of today’s antibiotics. The CDC reports that two million people are...