May 18, 2013 — Fed up with working for free, some interns are suing their employers. Last week, a judge ruled that interns could not sue the Hearst Corp. as a class action, which could be a legal setback for young workers tired of exploitative unpaid internships.

May 18, 2013 — Afghanistan is believed to be home to world-class mineral deposits, valued at up to $3 trillion and offering hope for the country's economic future. But in the current environment of uncertainty, investors are nervous and it could be many years before Afghanistan strikes pay dirt.

May 17, 2013 — Nobel Prize-winning psychologist Daniel Kahneman is the latest subject in our Desktop Diaries series, although he has no desk. Kahneman, professor emeritus at Princeton University, won the Nobel Prize in economic sciences in 2002 for his research with the late Amos Tversky on our sometimes irrational intuitions and how they affect decision-making.

May 17, 2013 — After years of research, an animal scientist looking for ways to keep inflammation down in cattle came up with a novel approach: feed them flax. The flax in their food helps keep animals healthy and has an added benefit for people who later eat their meat: omega-3 enriched beef.

May 17, 2013 — African-American entrepreneurs from all over the country have gathered in Ohio this week. Guest host Celeste Headlee speaks with Mike Green of the America21 Project about how to help black youth become more competitive in business. We also hear from teen entrepreneur Amber Liggett who started her own business, 'Amber's Amazing Animal Balloons.'