Talk Of The Nation on HD2

When writer Stacy Horn was 26 years old, she was divorced and miserable. So she decided to audition for the Choral Society of Grace Church in New York. Horn made the cut and joined the community choir as a soprano.

She chronicles her 30 years with the group in a new memoir, Imperfect Harmony: Finding Happiness in Singing With Others. She talks with NPR's Ari Shapiro about how singing made her life more bearable.

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IRA FLATOW, HOST:

There's ADHD, OCD, DMDD, PTSD, along with hoarding disorder, oppositional defiant disorder and dissociative identity disorder. You will find all of them in the DSM, that's the Diagnostic and Statistical Manual of Mental Disorders, the so-called Bible of psychiatry. The fifth edition of the manual just came out after 14 years in the making, but instead of a round of applause, psychiatrists, psychologists, ethicists, even columnist are panning the book, saying it has outlived its usefulness.

"Office hours are some of my favorite hours of the week," says professor Tom Carlson, a medical doctor, ethnobotanist and instructor of 1700 students annually at the University of California, Berkeley. One of Carlson's former students, SciFri associate senior producer Christopher Intagliata, says Carlson's class got him on the path toward science. In this "Teacher Feature," Intagliata tells his former teacher what the class meant to him.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. It sounds like something from the movies, but it's true: Researchers unearth an organism frozen inside a glacier, take it back to the lab and discover it's still alive. In this case it's a plant called a bryophyte, a moss that survives being frozen in a glacier in the dark for some 400 years. Wow.

With the right chemistry, cement can take on some of the properties of a metal, researchers report in the Proceedings of the National Academy of Sciences. Chris Benmore, a physicist at Argonne National Laboratory, explains why a semiconducting cement might be useful.

This season, dance legend Bill T. Jones celebrates the 30th anniversary of the Bill T. Jones/Arnie Zane Dance company, a collaboration that became an innovative force in modern dance.

Over the years, Jones has created more than 140 works for the company and in 2010, the dance troupe merged with Dance Theater Workshop to create New York Live Arts.

As part of Talk of the Nation's "Looking Ahead" series, Jones talks with NPR's Neal Conan about his hopes for the future of modern dance.

Technological developments in prenatal testing and screening methods have given women more information about the genetic status of their fetuses. Increased access to information can leave mothers and their partners with difficult choices about whether to continue or terminate a pregnancy.

Online reviews can come in handy when choosing a restaurant, but when it comes to picking a hospital, ratings and anecdotal reports can be misleading. Dr. Richard Gunderman explains how to sort through reviews and ratings to find the right hospital for you.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan, in Washington. Over more than two years, the conflict in Syria progressed from protest to civil war, opposition aims from reform to revolution, and the nature of the fighting became increasingly sectarian. Now another important turn as foreign troops openly join one side.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan, in Washington. The president throws footballs with Chris Christie on the Jersey Shore. Michele Bachmann throws in the towel in Minnesota. And Scott Gomez throws shade at Ed Markey in Massachusetts. It's Wednesday and time for a...

GABRIEL GOMEZ: Pond scum...

CONAN: Edition of the Political Junkie.

(SOUNDBITE OF ARCHIVED RECORDINGS)

PRESIDENT RONALD REAGAN: There you go again.