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Alex Honnold has scaled the sheer face of Half Dome in Yosemite, Calif., without the aid of ropes — and entirely alone. Still, he says his big break didn't arrive until a TV producer approached him.

Around age 50, people may begin to forget things. This can be scary. But there are clear differences between the onset of dementia and totally normal, age-related lapses in memory.

A mouse's brain clears out toxins during periods of deep sleep — including toxins that form the sticky plaques associated with Alzheimer's disease. Could the same hold true for people?

Residents along the Mississippi River are mopping up after deadly floods swamped areas in Missouri, Illinois and Tennessee. In Eureka, Mo., it could be months before things are back to normal.

The self-described militiamen occupying buildings at a national wildlife refuge accuse the federal government of overreaching its authority and say they'll remain in their new base for years.

The paper switched delivery companies and subscribers started reporting missing papers. Before dawn on Sunday, dozens of reporters and editors fanned out and delivered the papers themselves.

With the discoveries now confirmed, "The 7th period of the periodic table of elements is complete," according to the International Union of Pure and Applied Chemistry.

Pediatrician Namala Mkopi shares his new insights into the art of parenting and doctoring. He also tells NPR why people need to pay more attention to a disease no one likes to talk about: diarrhea.

The kingdom's execution of Sheikh Nimr al-Nimr, who was highly critical of the Saudi government, marks a turning point in Saudi-Iranian relations and has sent shock waves through the region.

The "Love Me Like You Do" singer created her new album as an experiment — to see if she could make a "big pop album." Reviewer Ken Tucker says Goulding's experimental effort was worth the risk.