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Paul Katz bought two tickets — one for himself and one for his cello — on a flight from Calgary to Los Angeles. But the captain told him his cello had to fly as checked baggage. After an agonizing flight, Katz cried when the captain returned his cello, unharmed. Originally broadcast August 27, 2012.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. The Book of Genesis tells the story of creation, of the sea, the sky, the birds and animals and, finally, Adam. Chapter 2, Verse 7 reads: The Lord God formed man of the dust of the ground and breathed into his nostrils the breath of life, and man became a living soul. Eve was formed out of Adam's rib.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington.

Reporting in Science, researchers write that mouse stem cells can be transformed not only into egg cells--but into newborn pups. Sean Morrison, a stem cell expert at the University of Texas Southwestern, explains the stem cell's journey, and what it could mean for fertility and assisted reproduction.

To become president and to be re-elected president takes much luck (among other factors, like money and political skill.) And President Obama appears to be one of the most fortunate presidents in recent memory with the release of the latest employment report.

Ryan Andresen spent 12 years as a Boy Scout. Now that he's 17 and about to graduate from high school, he completed the final requirement to receive the Eagle Scout award, which signifies the highest rank in the organization.

Except, according to his mother, Karen, when he submitted the paperwork, the scoutmaster for Troop 212 in the San Francisco Bay Area told him he could not give him the Eagle Scout honor because Andresen is gay.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow.

UNIDENTIFIED WOMAN: Starting route to Empire State Building: Head northwest on West 43rd Street.

FLATOW: That's the voice of Apple's maps app for iOS 6. She sounds confident enough, but how do you know she'll actually lead you to the correct destination? Because as users all over the world have figured out, Apple's maps and their driving directions have some serious problems. Apple has even apologized for it.

A recent study conducted at the University of Pennsylvania identified key molecules involved in forming long-term memories. Experts discuss how this is the latest in a growing field of research on how our bodies regulate our genes, and how this process affects our memories.