NPR News

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One of the worst byproducts of our industrial society is air pollution. It's a global problem that humans have yet to get under control. One scientist thinks we might not be alone, though. Alien civilizations may be polluting their worlds, and that pollution might be one way to detect them.
Hashim Khan was a legendary squash player who started out as just a ball boy, practicing the game barefoot when others left the courts in Pakistan. He went onto become an internationally renowned player and began a Khan dynasty in the sport. Khan died on Monday, believed to be 104 years old. James Zug writes for Squash magazine, and he speaks of Khan.
Regular political commentators, E.J. Dionne of The Washington Post and Reihan Salam of The National Review, discuss the killing of American journalist James Foley and the ongoing conflict in Ferguson, Mo.
There has been no bigger sports star lately than Mo'ne Davis. The 13-year-old pitcher charmed — and dominated — on the mound in the Little League World Series. But her Little League journey ended Thursday, when her underdog squad lost to a team from Chicago. Sportswriter Stefan Fatsis offers his take.
The death of Brazil's Socialist Party presidential candidate created an opportunity for his running mate, Marina Silva. Her entry into the race has upended the situation. Whereas the man she replaced was running a distant third in polls, support for Silva has surged.
The raises for junior staff is an attempt to keep up-and-coming talent from heading to private equity firms or to Silicon Valley, Bloomberg News reports.