How do pregnancy tests work? - Tien Nguyen
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Dig into the science of how modern over-the-counter pregnancy tests detect pregnancy with such a high rate of accuracy.<br />
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Over-the-counter pregnancy tests give potentially life-changing results with a pretty high rate of accuracy. But how do they work? Tien Nguyen explains how each test performs a scientifically rigorous, multi-stage experiment that goes from start to finish in the time that it’ll take you to watch this video.<br />
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Lesson by Tien Nguyen, animation by Andrew Foerster.<br />
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View full lesson: http://ed.ted.com/lessons/how-do-pregnancy-tests-work-tien-nguyen
<br />
--<br />
<br />
Over-the-counter pregnancy tests give potentially life-changing results with a pretty high rate of accuracy. But how do they work? Tien Nguyen explains how each test performs a scientifically rigorous, multi-stage experiment that goes from start to finish in the time that it’ll take you to watch this video.<br />
<br />
Lesson by Tien Nguyen, animation by Andrew Foerster.<br />
<br />
View full lesson: http://ed.ted.com/lessons/how-do-pregnancy-tests-work-tien-nguyen
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