From southern Virginia to New England, lots of people are being treated to a cicada serenade. If these insects sound loud to you, that's because they are. They're so loud that some Navy engineers are trying to borrow their technique.

Renee Montagne has business news.

Amazon.com is considering expanding its grocery delivery service. Currently it only offers food delivery in Seattle, where the company is based. Food goes bad fast and it's hard to make a profit. But slim profit margins are what have made Amazon a juggernaut. From member station KPLU in Seattle, Ashley Gross reports on the prospects of expansion.

Chinese President Xi Jinping says he wants to build a new great power relationship with the United States at this week's summit with President Obama. What does he mean by that and what are the implications for the U.S.?

Linda Wertheimer and Renee Montagne have the Last Word in business.

As part of his "Middle Class Jobs and Opportunity Tour," President Obama travels to Mooresville, North Carolina, Thursday. He'll highlight Mooresville Middle School's focus on technology and digital learning. Young voters cite the economy and education as top concerns. Neither political party has been adept at addressing these issues for young people.

The National Security Agency is collecting the phone records of millions of Americans for three months. The news was first reported by the Guardian newspaper. The request for the records was placed with a special intelligence court days after the Boston bombings.

Renee Montagne talks with Joss Whedon — the man behind TV's "Buffy the Vampire Slayer" and the box office blockbuster "The Avengers." The director is now out with a film adaptation of William Shakespeare's "Much Ado About Nothing."

At least six people have died in Wednesday's collapse of a commercial building in Philadelphia. More than a dozen victims have been rescued from the rubble.

Sgt. Robert Bales told a military court on Wednesday that he killed 16 Afghan villagers during a late-night rampage last year. His admission is part of a plea deal that will likely allow Bales to escape the death penalty.

The attorney general heads to the Senate on Thursday, where lawmakers are sure to demand answers. But being in the center of the storm is nothing new for Holder. Over four years in office, he has been a lightning rod for the president's fiercest critics.

Latin American cities rank as the most violent in the world. The region suffers from sky-high homicide rates, drug wars and gang violence. NPR is examining the region's turmoil in a series of reports, beginning with a look at the rampant kidnapping problem in Venezuela.

The White House announced Wednesday that Tom Donilon is resigning as President Obama's national security adviser. He will be replaced by Susan Rice, the current U.S. ambassador to the United Nations.

An Ohio police chief publicly directed his officers to target a certain group for ticketing. He set a quota for the officers of Brimfield Township: at least one ticket per shift. Kids younger than 12 wearing a helmet while riding their bikes will get a free ice cream cone.

The Fuel Entertainment company plans to sift through a New Mexico landfill in search of Atari video games. According to legend, that's where Atari dumped millions of copies of E.T. The movie-based video game did not sell when released in 1982.

The assassination of the NAACP field secretary galvanized a growing civil rights movement, the effects of which are still being felt across the South today.

President of Ohio State University Gordon Gee, 69, is retiring. The announcement comes a week after a recording surfaced of comments he made about Catholics and Southerners that some found offensive. Gee has apologized for his recent remarks, which were reportedly intended as jokes.

Blockbuster console game franchise Halo is going to have a new installment for mobile phones. Microsoft made the announcement Tuesday. It's a confirmation of the way the gaming industry is going, away from relying on $60 console games and closer to mobile and micropayments.

The State Department and several U.S. pro-democracy organizations have reacted strongly to a Cairo court ruling Tuesday. More than 40 foreign and local NGO workers were sentenced to prison for operating without a license. The ruling will likely spur calls in Congress for retaliation.

The U.S. International Trade Commission's ruling affects some older models of the iPhone and iPad. President Obama has 60 days to overturn the order; Apple said it will appeal.