Jeb Bush is popular in conservative circles and is the third member of the Bush family to be seen as a presidential contender. (The last two were elected.)

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French researchers confirm that the immune systems of 14 adults are apparently controlling HIV without medication. It's further evidence that early treatment may prevent the virus from establishing "reservoirs" of HIV-infected cells in the body.

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Is it the message or its delivery? That's one of the questions being debated as Republicans — like all parties out of power — plot their comeback. Some think they need to take a new tack on issues; others believe that the GOP's core conservative principles are still political winners.

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The NHL will shuffle its teams before next season, moving from three divisions in both the Eastern and Western Conferences to a total of four divisions. The league's owners approved the plan Thursday; the players' association gave its OK last week.

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The CIA can no longer credibly argue that it can't even confirm it has such records, the court says.

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Fury pleaded guilty to two counts of arson. He admitted to setting the fire to get out of work early. The fire caused $400 million in damage.

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Conservative leaders and activists are gathering in Washington this week for CPAC — the Conservative Political Action Conference. There's been a lot of focus on who was invited to speak — like Mitt Romney and Donald Trump — and who wasn't, like Chris Christie. Plus, President Obama is heading to the Middle East for the first time as president next week. Host Michel Martin talks politics with Mary Kate Cary of U.S. News and World Report, and former Obama administration advisor Corey Ealons.

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Host Ophira Eisenberg quizzes contestants on their knowledge of popular board games. Given a list of tokens, pieces, or spaces, can you tell us what game she's playing? If you know the answers in this round, please pass go and collect $200.

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Did you know Ke$ha's song "Tik Tok" demonstrates a linguistic oddity? And we're not talking about her spelling. "Reduplicated" words contain repeated syllables, but with different vowel sounds. Puzzle guru Art Chung leads contestants in a game full of reduplicated word pairs, so quit your "chit-chat" and listen in!

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The host of Radiolab never set out to create a wildly successful public radio show that tackles hard questions about life and the universe. But that's just one of the many happy accidents explored in this segment of Ask Me Another. Abumrad reveals how he broke into radio, ruminates on the overall story Radiolab tries to tell, and plays a game about unintentional scientific discoveries.

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All eyes are on the players in this final round, led by puzzle guru Art Chung. Play along, and try to guess the words, phrases or proper nouns in which "i" is the only vowel. "I, I," Captain!

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TV shows are sometimes based on popular films, and while some are successful (Buffy The Vampire Slayer) others...not so much (Spaceballs: The Animated Series). Host Ophira Eisenberg has a few of her own ideas in this game, where players must "adapt" movie titles into shorter series versions by removing a letter to form a new, more succinct title.

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Guest troubadours Paul and Storm have emerged from their lab to share their latest experiment. To pay tribute to Thomas Dolby's 1982 New Wave classic "She Blinded Me With Science," the duo has reworked the lyrics to describe different scientific principles and discoveries. So put on your safety goggles and play along!

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A long time ago, many people's surnames indicated their occupations. If your name was "Mason," you worked with stone, if your name was "Coleman," you worked with coal, and if your name was "Sanders," you ran a medieval chicken empire. Guest musicians Paul and Storm hint contestants to an occupational surname and a celebrity who bears it.

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A Maryland man who recently died had received a kidney transplant. Now, the Centers for Disease Control and Prevention says it has determined that the donor had rabies and that the disease was transmitted to the Maryland man. Three other organ recipients are now receiving anti-rabies shots.

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A British rail company says its archaeologists have discovered 13 skeletons they suspect died in the bubonic plague outbreak that killed millions of people, starting in 1347.

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The economic expansion of the so-called "Global South" is being driven by new trade and technology partnerships, according to a United Nations report. The UN predicts that over the next two decades, economic and political power will shift away from Europe and North America.

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The new pope says Benedict's prayers fuel the church and calls on the prelates to find new ways to evangelize "to the ends of the Earth."

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Prices rose overall by 0.7 percent. The major factor: a 9.1 percent surge in gasoline. Since February, though, gas prices have retreated. So economists do not think the latest report changes the inflation picture.

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Gas spike drives US consumer prices up 0.7 percent

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