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Posts tagged scratch

December 21, 2012

 

benadryl boxes on a shelf

What Causes Itches?

What brings on itches in the first place, and why does scratching provide such welcome relief?

October 8, 2009

 

A Diamond Ring

Why Diamonds Really Are Forever

Nothing will scratch or damage a diamond, while a diamond can scratch any other material on Earth. So what makes them so tough?

July 6, 2008

 

Mosquito bites on leg

The Itchy Truth

Have you ever stopped to wonder, mid-scratch, exactly why scratching is so effective against itching? Learn more on this Moment of Science.

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