Everyone knows Beethoven wrote nine symphonies, right? Or did he? Undiscovered manuscripts keep popping up all the time. Uncovering a lost 10th symphony by Beethoven would surely give the classical music world something to shout about.

It could happen — at least it could according to our colleagues over at Weekend Edition Sunday. Reporter Naomi Lewin carefully unfolds the mysterious saga of a new Beethoven discovery, as a part of our April 1 news coverage.

On-Air Challenge: Today's challenges are from an old English book called Lateral Thinking Puzzles by Hannah Robson and Nick Hoare. They all have a drinking theme, and they'll test your wits.

Across America, libraries used to reach out to readers by sending bookmobiles into school parking lots, street corners and rural byways. Now, those rolling reading rooms are becoming scarce — too costly and outmoded, some say.

One town in northern New England just lost its bookmobile. The Cobleigh Public Library in Lyndonville, Vt., had managed to keep its van rolling until about a month ago, when it died.

The typical first-time mother takes 6 1/2 hours to give birth these days. Her counterpart 50 years ago labored for barely four hours.

That's the striking conclusion of a new federal study that compared nearly 140,000 births from two time periods.

One big implication: Today's obstetricians may be rushing to do cesarean sections too soon because they're using an out-of-date yardstick for how long a "normal" labor should take.

The U.S. Supreme Court heard arguments this week over key aspects of President Obama's health care law, including the expansion of Medicaid and whether the court even had the right to hear the case. But the core of the challenge mounted against the Affordable Care Act hinges upon its individual mandate, which requires almost every American to have or buy health insurance.

Transcript

(SOUNDBITE OF CLOCK TICKING)

GUY RAZ, HOST:

More than 6,000 stories came in this round of Three-Minute Fiction - 6000. Amazing. The challenge this time, the story had to begin with the sentence: She closed the book, placed it on the table and finally decided to walk through the door. It's going to take us several weeks to read through those stories and find a winner, but for now, here are a few samples of what some of you did with that sentence.

(SOUNDBITE OF MUSIC)

The sale or possession of liquor is strictly forbidden by the tribal government of the Pine Ridge Reservation in South Dakota. But there is a tiny town just over the border in Nebraska that does sell alcohol, in massive quantities, and mostly to tribal residents.

And now a longstanding battle over beer sales has spilled into federal court.