Sunday, March 15, 2009

What is Hair and Why is it So Different Among People?

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Nora from Altoona, PA, wanted to know more about hair. She wrote in asking several questions about hair including: Is human hair different...
Sunday, February 15, 2009

How Does Soundproofing Work?

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Charles from Altoona, PA, has an older brother that plays the trumpet. His brother practices the trumpet in the bedroom next to his. He wr...
Thursday, January 15, 2009

Heat Energy Movement and Heat Loss

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Some of you from the Altoona area had recently read about why it feels colder on a windy day than on a day without wind. A few months ago, w...
Monday, December 15, 2008

How Do Animals Survive the Winter?

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With the winter months upon us, Julia from State College, PA, writes in to ask how animals survive during the colder months of winter. She ...
Saturday, November 15, 2008

Why Do Onions Make Us Cry?

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Shanna from Altoona, PA, was helping her big sister prepare dinner one night, and she noticed that her eyes became really irritated when he...
Wednesday, October 15, 2008

How Does Temperature Affect the Cleaning Ability of Soap?

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James from Altoona, PA, was helping his older brother wash some dishes in their kitchen sink recently, and he noticed that the dish deterge...
Monday, September 15, 2008

What is in the Air We Breathe?

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Laura from Hollidaysburg, PA, was recently helping her parents clean her home, and she noticed how much dust there was on the tables, in th...