On-air challenge: Every answer is a familiar two-word phrase or name in which the first word starts SI and the second word starts with T. For example, given "unadorned set of facts," you would say, "simple truth."

Last week's challenge: Name a movie in two words — five letters in each word. Both words start with vowels. Take one letter in the first word, move it two spaces later in the alphabet, and rearrange the result. You'll get the second word in the movie's title. What movie is it?

Answer: After Earth

The weekends on All Things Considered series Movies I've Seen A Million Times features filmmakers, actors, writers and directors talking about the movies that they never get tired of watching.

Amid the protests and clashes in Istanbul's Taksim Square, a pianist has been hauling in his instrument at night to entertain the crowds. Each time he does, the raucous crowd stills itself while he plays. In between tunes, chants rise up and he stands on his piano bench to conduct the crowd.

The White House is taking its first tentative steps toward arming Syrian rebels. Host Jacki Lyden speaks with James Fallows, national correspondent with The Atlantic, about the U.S.' ongoing struggle to determine when is the right time to intercede. They also discuss moderate candidate Hasan Rowhani's victory in the Iranian presidential election.

Google has launched — quite literally — a new idea to bring the Internet to some of the world's remotest places.

The tech giant's engineering hothouse, Google X, is testing the use of 12-mile-high helium balloons to get coverage in areas where it's impractical to put in conventional infrastructure.

Google said Saturday that it has 30 of the balloons, or "high-altitude platforms" (HAPS), flying over New Zealand as part of something called Project Loon. They will hover at about twice the altitude of a passenger jet.

Transcript

SCOTT SIMON, HOST:

This is WEEKEND EDITION from NPR News. I'm Scott Simon. The Iranian interior minister has announced on state TV that Hasan Rowhani has won that country's presidential election. Mr. Rowhani reportedly won 53 percent of the vote. He's considered a moderate on Iran's political spectrum. Karim Sadjadpour is a senior associate at the Carnegie Endowment for International Peace, and joins us. Thanks very much for being with us.

KARIM SADJADPOUR: Thank you.

SIMON: How do you read this election result?