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  • What Can Blood Analysis Tests Measure?

    Is it in your blood? Your blood can tell you a lot about your overall health. Discover the benefits of blood analysis tests today.
  • What Is a Presumptive Test?

    Presumptive tests are used to determine whether a specific chemical is present in a solution. These tests are commonly used to detect whether someone has drugs in their system. A p...
  • What Is a Cardiogram Test?

    A cardiogram test may refer to either an electrocardiogram or echocardiogram test. The electrocardiogram test is a medical test that checks for issues with the electrical activity ...
  • How Do Solar-Powered Calculators Work?

    Solar-powered calculators work the same way that other calculators work but use solar cells for power instead of batteries. Solar cells, also known as photovoltaic cells, take the ...
  • Understanding Your Test Results

    Understanding your lab tests can be confusing, but if you know a few basic definitions you'll be able to confidently interpret your results.
  • What Is Organoleptic Testing?

    Organoleptic testing refers to subjective evaluations of the odor, flavor and texture of food and medicine, according to Frost & Sullivan Market Insight. Applications of organolept...
  • What Are Controlled Test Markets?

    According to Integrated Research Associates, a control test market is a tightly controlled marketing test that uses real-life scenarios and consumers to evaluate a product’s potent...
  • How to Test Your Car Alternator for Power | It Still Runs

    When a car battery isn't providing enough power to start a car, people often assume that the battery is bad. Before buying an expensive new battery you may not need, check the alte...
  • How Can I Test My Computer’s Power Supply?

    You’re concerned your computer troubles stem from a failing (or outright fried) power supply unit. How can you test the unit to be sure that it’s the source of your hardware headac...
  • Test Your Strength, Power, and Conditioning at the Same Time

    Test your strength, power, and cardio—in under 4 minutes, no less—with this fast-paced fitness challenge. Our product picks are editor-tested, expert-approved. We may earn a commis...
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