TODAY'S DATE: Sunday, January 25, 2015
Physiological System of the Month: The Nervous SystemPenguins Use Their Personalities to Prepare for Climate Change
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    Temperature-based sex determination in turtles

    Dr. Thane Wibbels (University of Alabama at Birmingham) is interested in studying how temperature affects the sex of red-eared slider turtle embryos. For humans, the answer is simple: sex chromosomes. You know, the combination of XX means girl and XY means boy. Turtles are not that simple. Temperature is a factor in determining whether the…

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    History of the American Physiological Society

    The American Physiological Society was founded in 1887 with 28 members. Today, the Society counts some 11,000 members, most of whom hold doctoral degrees in medicine, physiology or other health professions. Our work, then, as now, was to support research, education, and circulation of information in the physiological sciences.

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Adolfo J. de Bold establishes that the heart produces a hormone (atrial natriuretic factor) that helps regulate blood pressure and kidney function, and paves the way for the development of new antihypertension and diuretic drugs.

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