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IRA FLATOW, HOST:

This is SCIENCE FRIDAY, I'm Ira Flatow. Here's some news to raise a glass to: the idea that red wine may help us live longer and healthier lives. Well, it got a new boost this week. According to a team of researchers, a compound found in the skin of grapes could be an antidote to aging by slowing down the process and even fending off disease and inflammation associated with getting old. It's the topic of a new study published this week in the journal Science.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. By now I'm sure you've heard about the real-life nightmare of a Florida man named Jeff Bush. As he lay sleeping last week, a gaping hole opened beneath his home, swallowing him alive. His body was never found. The search has now been called off, and the sinkhole that devoured him is now his grave.

Presidents and dignitaries from around the globe are gathered in Caracas this morning to pay their final respects to Venezuelan President Hugo Chávez.

CBS News reports:

Former Rep. Gabrielle Giffords, who survived a 2011 gun attack that left six people dead and 13 others (including Giffords) wounded, is this year's recipient of the John F. Kennedy Profile in Courage Award.

Oz the Great and Powerful. Say that name aloud and you will smile, I guarantee you: It will conjure up so many images, characters, actors, songs. Then hold that smile as long as you can, because you won't be doing much smiling at the movie called Oz the Great and Powerful, the so-called "prequel" to The Wizard of Oz from Disney Studios.

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LINDA WERTHEIMER, HOST:

Leader from around the world have arrived in Venezuela to pay their final respects to President Hugo Chavez, who used his country's oil wealth to put in place his vision of socialism during 14 years in power. And this larger-than-life leader presumably will continue to inspire his followers. The Venezuelan government plans to embalm his body and keep it on display in a glass coffin.

It's been 10 years since the U.S.-led invasion of Iraq. That conflict drastically changed the lives of Iraqi women. On International Women's Day, host Michel Martin talks with Iqbal al-Juboori, about how the war affected her personally, and what it's like for women to live in a conflict zone. al-Juboori works to provide job training and life skills to women and their families in rural parts of Iraq.

Catholicism is reaching further into the developing world. Will the Church shift its focus to new concerns in those regions — like poverty, education and rural development? Michel Martin talks with Sister Simone Campbell, Father Patrick Ryan and Yale Divinity Professor Lanim Sanneh about whether the Church's priorities are changing.

Was Senator Rand Paul's 13-hour filibuster a smart political move or a total disaster? The Barbershop guys weigh in on that — and how Major League Baseball could be affected by Venezuelan President Hugo Chavez's death. Host Michel Martin checks in with writer Jimi Izrael, civil rights attorney Arsalan Iftikhar, sports writer Dave Zirin and columnist Mario Loyola.