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When Pollan decided to write about caffeine, he gave it up — cold turkey. "I just couldn't focus," he says. "I was irritable. I lost confidence." Caffeine reshapes the brain in surprising ways.

Distortion is familiar to most of us — a 'staticky noise,' a 'noisy static.' But in the right hands, its uses can bloom and its rigid contours soften.

The 1939 recording by Glenn Miller and his orchestra remains a classic, and one of the most influential songs of the 20th century.

Dr. Mara Gordon spent ten years observing the health care system as a medical student and physician. When she got pregnant she finally understood how vulnerable it can feel to be a patient.

A conservative campaign to ban certain books from schools is prompting other parents to push back. The issue is often framed as the latest "culture war" battle, but some see democracy itself at stake.

While most countries have opposed Russia's invasion of Ukraine, many others are keeping their Russia ties intact. Their reasons range from practical matters — such as trade — to ideological.

Very few humans have gone up against bird flu. But we've all dealt with seasonal flu for years. Some of our immune systems might be primed to fend off a worse case, research finds.

Researchers in Virginia Beach, Va., show how they test wastewater for signs of COVID-19, and how they're preparing to look for other health threats.

NPR's Juana Summers talks with Trump's former National Security Advisor John Bolton about the president's ambitions of expanding into Greenland.

U.S. President Donald Trump said Friday he's "not happy" with the latest talks over Iran's nuclear program but indicated he would give negotiators more time to reach a deal to avert another war in the Middle East.