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 ...

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There are certain sounds nearly everyone dislikes: the sound of fingernails scratching a chalkboard, or of a fork scraping a plate, just to list a few. For many people, hearing these sounds, or even ...

If you're like most people, you probably can't stand the sound of fingernails scraping across a blackboard. In fact, you're probably cringing just thinking about it. But what is it about this ...

NEW YORK --Third graders at Columbia University's elementary school may never know the painful sound of fingernails scratching on a chalkboard. That's because the dust-covered board that normally ...

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