Superstitious gestures like knocking on wood and throwing salt might actually help people avoid what they dread, according to researchers at the University of Chicago's Booth School of Business. Host Scott Simon explains.
The Pacific Northwest grows the majority of the nation's pears, and this year's harvest is predicted to be the third-largest in history. But farmers are facing a shortfall that's been plaguing many agricultural industries: not enough workers to pick the fruit.
Millions of U.S. factory jobs have been lost in the past decade. Now, in North Carolina, high school students are being encouraged to think about taking manufacturing jobs. But this isn't the furniture-making or textile labor of generations past — it's a new kind of highly technical work in aviation.