Why Nails On A Chalkboard Drives Us Crazy | WAMU 88.5 - American University Radio
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Why Nails On A Chalkboard Drives Us Crazy

Robert Siegel talks to Michael Oehler, a music management professor at University of Cologne in Germany, about his study on why people get so irritated by the sound of fingernails on a chalkboard. Oehler led a team of researchers from the University of Cologne and the University of Vienna in a study designed to pinpoint the source of this and similarly irritating sounds. Scientists found that the most obnoxious elements of the noises may be amplified by the shape of the human ear.
NPR

Rosh Hashana's Sacred Bread Offers Meaning In Many Shapes And Sizes

Making challah for the Jewish New Year lets the baker take a moment to reflect on life's blessings. The bread can be shaped into the traditional round, or a lion or bird to echo Bible verses.
NPR

Rosh Hashana's Sacred Bread Offers Meaning In Many Shapes And Sizes

Making challah for the Jewish New Year lets the baker take a moment to reflect on life's blessings. The bread can be shaped into the traditional round, or a lion or bird to echo Bible verses.
NPR

More Americans Favor Mixing Religion And Politics, Survey Says

The poll by Pew's Religion & Public Life Project also shows that three-quarters of survey participants believe religion's influence on American life is waning.
NPR

Seeking Frugal Tech Solutions For Nairobi's Jammed Traffic

Traffic in major cities in the developing world can be a mind-numbing mess. A team at IBM in Kenya's capitol thinks it's found an answer.

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