Talk of the Nation

At least 70 countries, including the U.S., pledged millions of dollars in aid to the Syrian opposition. U.N.-Arab League envoy Kofi Annan has set a deadline of April 10 for compliance with the U.N. peace plan. Some analysts believe it's too late for peaceful negotiations.

Writer Donna Britt's 26-year-old brother was killed by Indiana police officers decades ago. Amidst the news of Trayvon Martin's death, she is reminded of the unanswerable questions surrounding her brother's death. She talks about the challenges of coming to terms the violent death of a loved one.

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.

Transcript

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.