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MRI Based on a Sugar Molecule Can Tell Cancerous from Noncancerous Cells

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Imaging tests like mammograms or CT scans can detect tumors, but figuring out whether a growth is or isn’t cancer usually requires a biopsy to study cells directly. Now results of a Johns Hopkins study suggest that MRI could one day make biopsies more effective or even replace them altogether by noninvasively detecting telltale sugar molecules shed by the outer membranes of cancerous cells.

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Antarctic Ice Shelves Rapidly Thinning

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A new study led by Scripps Institution of Oceanography at UC San Diego researchers has revealed that the thickness of Antarctica’s floating ice shelves has recently decreased by as much as 18 percent in certain areas over nearly two decades, providing new insights on how the Antarctic ice sheet is responding to climate change.

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NASA's Hubble and Chandra Discover Dark Matter Is Not as Sticky as Once Thought

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Astronomers using observations from NASA's Hubble Space Telescope and Chandra X-ray Observatory have found that dark matter interacts with itself even less than previously thought. This finding narrows down the options for what this mysterious substance might be. The finding will appear in the journal Science on March 27. Join Hubble astronomers during the live Hubble Hangout at 3pm on Thurs., March 26, to learn even more about this study. Visit http://hbbl.us/98X .

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New Study Recommends Early Introduction of Peanuts to Prevent Allergies

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“Bottom line, early introduction of peanuts decreases the frequency of developing a peanut allergy,” says Dr. Shah, who treats many children as well as adults with peanut allergies in her Gottlieb Memorial Hospital practice. “The estimated prevalence of peanut allergy in America is 1.4 to 3 percent and the numbers are growing so this news offers a potential real solution to prevention.”

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Common Bacteria on Verge of Becoming Antibiotic-Resistant Superbugs

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Antibiotic resistance is poised to spread globally among bacteria frequently implicated in respiratory and urinary infections in hospital settings, according to new research at Washington University School of Medicine in St. Louis.

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Two Most Destructive Termite Species Forming Superswarms in South Florida

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Two of the most destructive termite species in the world are swarming together in South Florida. They might mate, forming a hybrid, and that worries the UF/IFAS scientists who found the superswarm.

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Prenatal Exposure to Common Air Pollutants Linked to Cognitive and Behavioral Impairment

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Researchers have found a powerful relationship between prenatal polycyclic aromatic hydrocarbon (PAH) exposure and disturbances in parts of the brain that support information processing and behavioral control.

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A reporter's PressPass is required to access this story until the embargo expires on 30-Mar-2015 2:00 PM EDT