A novel pill helped people with advanced pancreatic cancer live longer, researchers reported Sunday, raising hopes of long-needed better treatments for one of the deadliest types of cancer.

Kenya's Lake Turkana is the world's largest permanent desert lake. Its waters have long sustained hundreds of thousands. Now the lake is facing multiple threats — and threatening those who rely on it.

NPR's Ayesha Rascoe plays the puzzle with WBEZ listener Larry Birkenmeyer of Glenview, Ill., and Puzzlemaster Will Shortz.