Talk of the Nation

Want to hear a joke about sodium hypobromite? NaBrO! Can science be the butt of a good joke? Ira Flatow and guests test the hypothesis in an annual April Fools' joke-a-thon. They share the best gags in the business. Sidesplitting or groan-worthy? You decide.

This mystery has plagued arachnologists for decades. William Eberhard and Daniel Briceno untangle the web question in a paper in the journal Naturwissenschaften. The answer has to do with spiders' oily, hairy legs.

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IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. My next guest won the Nobel Prize in 2000 for his work on learning and memory, and he really needs no introduction as a neuroscientist. But there is another side to Eric Kandel that you may not know. He is an art collector, an historian of early 20th-century art in Germany and Austria, and he says he could have seen that passion as an alternate career path.

The film director James Cameron has just completed a dive to Challenger Deep, the deepest point on Earth at nearly 36,000 feet under the sea. His manned descent is the first in 52 years, since the oceanographers Don Walsh and Jacques Piccard explored the Mariana Trench in the bathyscaphe Trieste.

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NEAL CONAN, HOST:

This is TALK OF THE NATION. I'm Neal Conan in Washington. All this week, the U.S. SUPREME COURT commanded the nation's attention through three days of oral arguments on what may well be its most important case in decades.

The court's ruling could affect the lives of millions, redefine the role and limits of the federal government, and change the character of the 2012 election. We don't expect to know how the justices will rule until late June, but that doesn't stop journalists and legal experts from reading between the lines.

Everyone loves to hate riding the bus — passengers complain about cleanliness, overcrowding, timeliness and inefficiency. In a piece for Salon.com, writer Will Doig argues that disliking the bus is "practically an American pastime," but buses are key to improving mass transit. Doig thinks that rather than spending money on expensive new systems like light rail or streetcars, cities should focus on making buses better.

The Louisville Cardinals will face the University of Kentucky Wildcats in the Final Four of the 2012 men's NCAA tournament. The long-time rivalry between these two Kentucky teams is just one example of conflicting team loyalties that can divide families, friends and neighbors for generations.

Though he insists he's not suspending his run, GOP presidential candidate Newt Gingrich announced he's cutting his staff and shifting his campaign strategy. NPR's Ken Rudin and veteran campaign manager Chip Saltsman discuss the decisions candidates face when a win seems unlikely.