9/8/12 10:52 AM When Networks Network - Science News Page 1 of 17 http://www.sciencenews.org/view/feature/id/343939/title/When_Networks_Network Artwork by Bryan Christie Design ENLARGE Home / September 22nd, 2012; Vol.182 #6 / Feature By Elizabeth Quill...
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9/8/12 10:52 AM When Networks Network - Science News Page 1 of 17 http://www.sciencenews.org/view/feature/id/343939/title/When_Networks_Network Artwork by Bryan Christie Design ENLARGE Home / September 22nd, 2012; Vol.182 #6 / Feature By Elizabeth Quill September 22nd, 2012; Vol.182 #6 (p. 18) http://www.sciencenews.org/view/feature/id/343939 When Networks Network Once studied solo, systems display surprising behavior when they interact Half a dozen times each night, your slumbering body performs a remarkable feat of coordination. During the deepest throes of sleep, the body’s support systems run on their own timetables. Nerve cells hum along in your brain, their chitchat generating slow waves that signal sleep’s nether stages. Yet, like buses and trains with overlapping routes but unsynchronized schedules, this neural conversation has little to say to your heart, which pumps blood to its own rhythm through the body’s arteries and veins. Air likewise skips into the nostrils and down th
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