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Germs of War
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Many Americans have become aware of biological weapons only recently, since disclosure that Iraq manufactured and stored thousands of gallons of lethal agents. But in fact, biological warfare has been practiced for thousands of years.

The Secrets of Shampoo
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Shopping for shampoo these days can be an exercise in confusion. Will it revitalize or energize your hair? Add luster or remove buildup? The cacophony of claims and esoteric ingredients has consumers and manufacturers in a lather.



Tilting the Tower of Pisa
For almost eight centuries, curious travelers have flocked to Pisa, Italy, to see its famous landmark. The Italian government finally has approved a plan to rescue the imperiled structure.
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