The mere thought of fingernails scratching a chalkboard can be enough to set some people on edge. Now, a new study may help explain why. Researchers say the shape of the human ear may amplify certain ...

Just the thought of nails raking across a chalkboard is enough to send shivers down many people’s spines — but the reasoning behind this reaction has remained a mystery for decades. Scientists have ...

Those were finger nails working their way across a chalkboard. Some of you might have felt a shiver. It's one of those sounds that provokes a physical reaction. Scientists have looked into the why for ...

At every minute of every day, it seems, scientists are busily working to cure cancer and save the environment and make better robots who can do our jobs for us, and also to figure out why we hate the ...

Robert Siegel talks to Michael Oehler, a professor at the University of Media and Communication in Cologne, Germany, about why people find the sound of fingernails on a chalkboard so irritating.