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MONDAY, NOVEMBER 23, 2009
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NEWS ABOUT: blood flow

blood flow stories: 2 news summaries

 Toucan's Beak Really 
 Outsized Thermostat 

Toucans control blood flow to outsized bill to raise or lower body temperature

Jul 23, 09 3:45 PM CDT
(Newser) - New research reveals an unexpected use for the toucan’s outsized bill, Wired reports. Thermal imaging shows that the bird can regulate its body temperature by increasing or restricting blood flow to its beak. “Bird bills are not ‘dead tissues’ incapable of playing a role in heat balance,... More »

MORE ABOUT:
birds • blood flow • scientific study • bill • toucan • body temperature • beak • thermal imaging

Simple Technique Could Bypass Cardiac Arrest

Restricting arm blood circulation helps heart in surgery—and attacks, docs hope

Aug 17, 07 1:55 AM CDT
(Newser) - A simple technique temporarily restricting the arm's blood supply before heart bypass surgery significantly improves the chances of a full recovery—and could one day be used to prevent cardiac arrest, reports the Guardian. The technique uses cycles of arm compressions with cuffs to remotely restrict  blood flow to the... More »

MORE ABOUT:
surgery • heart disease • heart • heart attack • cardiac arrest • bypass • blood flow

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