The sad story of a baseball fan's death Thursday after he fell from the stands during a Texas Rangers game raises a question that many of us who go to games have likely asked in recent years:

Is it time for teams to scale back the t-shirt tosses and other things they do that get crowds excited, but also sometimes get people to reach out over railings when they shouldn't?

In a milestone for the fast-evolving field of tissue engineering, a 36-year-old geology student from Africa is breathing through a synthetic windpipe created in a laboratory from plastic and his own bone marrow cells.

Andemarian Teklesenbet Beyene was discharged today from the Karolinska Institute in Stockholm, one day short of a month since he had his cancerous windpipe replaced with the custom-made spare part.

Shannon Walker, who was selected as an astronaut in 2004, checks in with NPR's Nell Greenfieldboyce at Kennedy Space Center, where cheers went up as Atlantis departed for its 33rd and final voyage. Nearby, among throngs of spectators, NPR's Greg Allen talks about the mood along Florida's Space Coast as the shuttle program ends after 30 years. Atlantis will drop supplies at the International Space Station and return to Earth on July 20.

Last in a three-part series.

For many migrants trying to reach the U.S. from Mexico, the border region is a terrifying, lawless place, and their fear is often justified. Things are so bad in Matamoros, a border city just across the Rio Grande from Brownsville, Texas, that last month the city's police were stripped of their weapons, ordered off the streets and replaced by soldiers.

Robert George's body has been in the University of Kentucky Chandler Hospital's morgue for more than three months, and UK officials say they can't get anyone to claim it.The Fayette County coroner's office has refused to take the body. So has the coroner's office in Pulaski County, where George apparently lived. Relatives who have been contacted by UK also have not stepped forward to claim George's remains.

Steve Inskeep and Renee Montagne report that Atlantis lifted off from its Florida launchpad on schedule, reached orbit and is on its way to the International Space Station. From Johnson Space Center in Houston, NPR's Wade Goodwyn relays what's happening at Mission Control; and NPR science correspondent Joe Palca talks about what's next for Americans in space.

Counting down to NASA's final space shuttle launch Friday, Steve Inskeep and Renee Montagne share footage from the shuttle program's roaring start 30 years ago. NPR's Nell Greenfieldboyce reports a celebratory but bittersweet mood at Kennedy Space Center, and NPR's Greg Allen reports from crowds viewing the launchpad from Florida's Space Coast. And finally, Greenfieldboyce narrates the lift-off.

The "Barbershop" guys weigh in on Casey Anthony's murder trial, Time Magazine editor-at-large Mark Halperin's off-color remark about President Obama, and the cancellation of Eliot Spitzer's show on CNN. Host Michel Martin hears from author Jimi Izrael, civil rights attorney Arsalan Iftikhar, syndicated columnist Ruben Navarrette, and political science professor Lester Spence.

The Labor Department announced Friday that only 18,000 net jobs were generated in June. The unemployment rate has risen to 9.2 percent, which disappointed many economists. Host Michel Martin speaks with NPR Senior Business Editor Marilyn Geewax about why so few jobs were created, and what the new numbers mean for the recovery.

After decades of brutal civil war with the north, South Sudan will become its own country on Saturday. But challenges related to illiteracy, infrastructure and oil remain ahead. Host Michel Martin discusses the secession with Ofeibea Quist-Arcton, West Africa correspondent for NPR, and Rebecca Hamilton, author of Fighting for Darfur.