Living On The Border, Driven — Literally — Underground

After living underground in the United States — figuratively speaking — some undocumented immigrants deported to the Mexican border city of Tijuana are living in holes. These migrants have dug bunkers along Tijuana's sewage canal to protect themselves from police who routinely burn down their makeshift homes.

A Sign Of Disunity? Iranian Candidates Jockey For Position

Nearly 700 presidential hopefuls have thrown their names into the ring for Iran's June 14 presidential elections. But two last-minute entrants have altered the shape of the already-chaotic race: a former president once dismissed as a has-been and Iran's chief nuclear negotiator.

How A Florida Medical School Cares For Communities In Need

If it's a Monday, you can usually find Dr. David Brown parked next to a lake in Miami, spending the day inside a 36-foot-long RV. He's not on vacation.

Brown is chief of family medicine at Florida International University's medical school. The RV is the school's mobile health clinic.

Every Monday it's parked at the Royal Country Mobile Home Park in northwest Miami-Dade County. "It's a beautiful place right here," he says. "But this is not a wealthy community."

For Palestinians, Google's Small Change Is A Big Deal

The webpage Google.ps used to read "Google: Palestinian Territories." On May 1, the company quietly changed that regional search page to say "Google: Palestine."

Google didn't announce the name change, but it didn't have to. In a place where small gestures can carry great symbolism, Palestinians noticed right away.

"Everybody knows about it and they screenshot [and] post on Facebook: 'Yay Google, thank you,' " says Mohammad Kumboz, a 22-year-old graphic designer and computer programmer who lives in the Gaza Strip.

With No Unified Database, Many Murder Victims Remain Nameless

A serial killer who committed suicide in an Alaska jail last year confessed to murdering at least 11 people across the country. But Israel Keyes didn't name names, and investigators trying to figure out who he killed are running into a major stumbling block: There is no unified, mandatory national database for missing persons.

Five Years After A Quake, Chinese Cite Shoddy Reconstruction

Five years after the massive Wenchuan quake in China's Sichuan province left about 90,000 dead and missing, allegations are surfacing that corruption and official wrongdoing have plagued the five-year-long quake reconstruction effort.

The official press is full of praise for how "all Chinese have a reason to be proud of what the concerted efforts of the entire nation achieved in creating a new life for the survivors."

Facebook Users Question $20 Million Settlement Over Ads

A San Francisco judge will decide this month whether to approve a settlement in a class-action lawsuit that could affect more than 70 million Facebook users. The $20 million deal would mark the end of a years-long battle over the social network's "Sponsored Stories" advertising.

But Facebook users' images could still appear in ads if they don't change their settings. And many users say the deal before the judge doesn't go far enough to protect their privacy.

Vietnam's Appetite For Rhino Horn Drives Poaching In Africa

Africa is facing a growing epidemic: the slaughter of rhinos.

So far this year, South Africa has lost more than 290 rhinos — an average of at least two a day. That puts the country on track to set yet another record after poachers killed 668 rhinos in 2012.

When The Right One Comes Along: How 'Nashville' Tells Stories In Song

With Nashville's first season about to wrap up — and a second one just ordered — the prime-time TV drama has found a niche audience on Wednesdays. The soundtrack has also enjoyed pop chart success.

The characters in Nashville fall into three categories: struggling unknowns looking for their big break, struggling up-and-comers and struggling superstars. And the songs — most of them previously unheard originals — are woven into the drama. They appear organically in living room songwriting sessions, late night honky-tonks or stadium dress rehearsals.

As Stigma Eases, Single Motherhood In Mexico Is On The Rise

On her daily route delivering laundry in her working-class neighborhood in southern Mexico City, Maria Carlotta Santa Maria, or Mari, as she is known, seems to know everyone: the mailman, the woman on the corner selling salty nuts, and her favorite greetings are for the guys at the corner gas station.

Mari is the kind of person that can make this inhospitable and overwhelming megacity seem almost small and friendly. But as a single mother, she says raising her 10-year-old daughter Jimena alone hasn't been easy.