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Synthetic biologist Jay Keasling has already taught yeast to make the leading anti-malarial drug. His next project takes the technology a step further, using yeast to turn plant waste into diesel — and maybe gasoline and jet fuel, too.

The interest rate on government-backed student loans is going to double on Monday. As a result, some 7 million students expected to take out new Stafford loans could be stuck with a much bigger bill.

Washington is still trying to determine how much damage has been done as a result of Edward Snowden's revelations about NSA surveillance. Snowden allegedly encrypted the files he took with him, but some officials fear Chinese or Russian intelligence services gained access to Snowden's computers.

The Food and Drug Administration and the U.S. attorney's office in Colorado cracked down on more than 1,600 websites that the feds say are breaking the law in the way they're selling prescription drugs, some of them counterfeits.

The southern Afghan district of Arghandab has long been a Taliban stronghold, and it took years of fighting for the Americans to reduce the insurgent threat. But with the U.S. leaving, it will be up to the Afghan security forces to maintain control.

The world is closer than ever to wiping out polio. But a growing outbreak in the Horn of Africa has health workers worried that the virus could spread to surrounding regions. Thirty-one kids have been paralyzed by the poliovirus in the past two months, and the number is expected to rise.

The Supreme Court struck down a key provision of the Voting Rights Act today. Host Michel Martin speaks with two court watchers about what the decision means.

A new film from Sofia Coppola, who made Lost in Translation and Marie Antoinette, is based on the real-life story of a group of Southern California teens who, in 2008 and 2009, began breaking into the homes of celebrities and stealing everything from designer clothing to watches and jewelry.

Produced by Wilco frontman Jeff Tweedy, the soul singer's new album follows a narrative arc of struggle, acceptance and salvation. Tweedy's arrangements leave room for Staples' full range of vocal expression, from an R&B growl to gospel fervor.

The court declared part of the 1965 law unconstitutional on Tuesday, effectively striking down a process that put states with a history of voting discrimination under extra federal oversight.