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Ever wondered where lemonade comes from? HowStuffWorks looks at the history of this popular, puckery thirst quencher.

The flightless Aldabra rail only lives on the Aldabra Atoll in Madagascar. But this example of iterative evolution descended from birds that soar.

Knowing about the heart is good information for your overall health. Learn more about the heart from Discovery Health.

Learn how Tamiflu works, how you take it and whether it can really protect you from bird flu.

Research suggests the human brain is wired to distinguish the rhyme and rhythm of verse from ordinary prose, and to react to literary contemplation.

Product shortages on everything from cars to computer chips continue unabated. At the root of most is the "bullwhip effect." But what is it?

If you make money on a hobby, is it taxable? Find out if hobby income is taxable in this article from HowStuffWorks.

Almost every cell in your body needs insulin. Learn how your body secretes insulin from this article.

Edsel is a case of a good idea happening at the wrong time. Learn about the road blocks that kept Edsel from greatness.

From Beijing to Boston, chicken pox has plagued millions of children and adults. See how chicken pox works.

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