Acting as a "sender," brain researcher Rajesh Rao watches a video game and waits for the time to hit the "fire" button. But he'll only think about doing that — the impulse was carried out by someone in another building, in a recent test of brain-to-brain communication. University of Washington hide caption

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Pregnant doctors are less likely than other women to deliver their babies via C-section, recent research suggests. Economists say that may be because the physician patients feel more empowered to question the obstetrician. iStockphoto.com hide caption

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Money May Be Motivating Doctors To Do More C-Sections

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This young whooping crane is on its first fall migration, guided by an Operation Migration ultralight aircraft. Each whooper in this population wears an identification band, and many carry tracking devices that record their movements in detail. Joe Duff/Operation Migration USA Inc. hide caption

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Wise Old Whooping Cranes Keep Captive-Bred Fledglings On Track

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A little chilly for camping: Ice-penetrating radar revealed a mega-canyon below the Greenland ice sheet, extending for more than 460 miles. Courtesy of J. Bamber/University of Bristol hide caption

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Another 'Grand Canyon' Discovered Beneath Greenland's Ice

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The underlying biology of age-related memory glitches — in old mice and old people — is different from what happens with Alzheimer's, recent research suggests. Anthony Bradshaw/iStockphoto.com hide caption

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A Single Protein May Help Explain Memory Loss In Old Age

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Element 115 Could Be Near Elusive 'Island Of Stability'

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An irrigation pivot waters a corn field in Nebraska. Many farmers in Nebraska and Kansas rely on irrigation to water their corn fields. But the underground aquifer they draw from will run dry. Nati Harnik/AP hide caption

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Turning Off The Spigot In Western Kansas Farmland

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What should parents be told before their premature infants participate in a clinical study? iStockphoto.com hide caption

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Can Your Car Make You An Unethical Driver?

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This may look like a mad scientist's garage sale, but it's actually the most precise clock ever built. Jim Burrus/NIST hide caption

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The World's Most Precise Clock Could Prove Einstein Wrong

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Prehistoric Deer Stew? A fragment of pottery found in Neustadt, Germany, is coated in the microscopic remains of crushed mustard seeds and roasted fish and ruminant meat, possibly deer. This shard dates back to about 5,900 years ago. Courtesy of University of York, BioArch hide caption

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A whale shark dives near the surface in waters off the coast of Mexico. Marj Awai/Georgia Aquarium hide caption

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Where The Whale Sharks Go

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So cute, but not cuddly. The Egyptian tomb bat, Taphozous perforatus, is a likely carrier of the Middle East respiratory syndrome virus, or MERS. Courtesy of Jonathan H. Epstein/EcoHealth Alliance hide caption

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