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Before insulin was available, there were few treatment options for diabetics. Discover the history of this hormone, and how it is produced today.

Ever wonder how a synthesizer works? Read this article to learn how a synthesizer works to produce sound and music.

Pure oxygen in an engine would produce a dramatic increase in horsepower. Learn about pumping pure oxygen in an engine.

Learn how hormone medications, including oral contraceptives and anti-inflammatory drugs, mimic the effects of naturally produced hormones.

A speaker tweeter is the driver that produces high-frequency sounds in a stereo system. Learn how speaker tweeters work in this article.

The main function of the Krebs cycle is to produce energy, stored and transported as ATP or GTP, to keep the human body up and running.

Cholesterol is vital because of the role it plays in body chemistry. Learn what it produces in the body, including estrogen, testosterone and bile.

Blowtorches produce an exceptionally hot flame and harnesses that heat to mold and cut metal. Learn how the blowtorch revolutionized welding.

Rockfoil will grow in gritty soil and produces small flowers. In this article, learn about planting, growing, propagating, and using rockfoil.

When sound waves strike the ear, these waves produce the sensation of sound. Let's take a look at how sound waves work.

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