NPR Topics: Story of the Day Podcast

Warren Buffett's son, Howard, is using his foundation, stocked with $2 billion of his father's money, to address hunger in the U.S., as well as globally. He's trying to use his farming experience to help farmers be more productive and to get more food into the hands of those who need it most.

States are setting an abortion limit at 20 weeks after fertilization, but that may clash with established standards for calculating the viability of a pregnancy. It could also open the new laws up to constitutional challenges.

Fire is a natural part of the western landscape, and a push over the last century to eliminate fires has threatened the habitats that some plants and animals need. In a Montana valley, fire scientists are trying to show that they can actually save wilderness by burning it.

Two members of Congress want to preserve artifacts from American lunar missions with a national park on the moon, but there are some international hurdles to jump. Still, Space Policy Institute director Dr. Scott Pace says the bill raises intriguing questions about what the future of human-space interaction will look like.

New research suggests that racial disparities and other biased outcomes in medicine, the criminal justice system, and other areas, can be explained by unconscious attitudes and stereotypes. But how do we get rid of subtle racial biases?

Over the past decade, fires in the American West have grown in intensity and size. "We're on a growth trajectory that is very scary," says one fire tracker. "And if we think it's expensive and dangerous now, we're just now seeing the very beginnings of how big this problem is going to be very soon."

Whether it's facial recognition or snapping photos with a wink of an eye, hackers are proving it's possible to re-engineer Google Glass in a number of creative ways.

Biologists who study the lives of animals can learn a lot simply by listening to them. The problem is that natural sounds can be far easier to record than to analyze. So scientists are working to automate the process with automated systems that do the identifying for them.

The verdict in the Travyon Martin case is reverberating at the annual gathering of Delta Sigma Theta, a prominent service sorority that has long focused on African-American civil rights.

On Monday a judge will rule on the constitutionality of requiring all Pennsylvania voters to show state-issued photo identification. Supporters say it's a common-sense remedy for voter fraud, but opponents counter it's an attempt to disenfranchise minorities.

The cronut, a croissant-doughnut hybrid, has skyrocketed ever since Dominique Ansel started selling it at his New York City bakery this spring. Patrons line up for hours, and scalpers have jacked up the price exponentially.

Diplomats from 24 nations and the European Union are meeting in Germany next week to discuss creating a nature preserve that could be larger than three times the size of Texas. Stretches of water around Antarctica are relatively pristine and home to thriving ecosystems.

Royce Lamberth, the retiring judge who led the secret Foreign Intelligence Surveillance Court from 1995 to 2002, says he has no regrets when he talks about that court's business. In his view, another attack, in some form or other, is inevitable.

A few dog breeds indigenous to North America have genetic roots on the continent that stretch back 1,000 years or more. A study finds that their genetic lineages haven't changed much, despite an influx of European pooches.

Speculation about Saturday's plane crash has focused on the Asiana pilot, who had only 43 hours of Boeing 777 flying experience. But industry experts say pilot training regimes for major airlines rigorously prepare pilots to fly different plane models — and to work as members of a team in the cockpit.