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Video: Best Diets rated by Consumer Reports

Erica Hill talks to Dr. Jennifer Ashton and Nancy Metcalf, senior program editor for Consumer Reports, about the top-rated diet plans and how to choose the right one for you

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When, and why, did everyone stop eating gluten?

Celiac disease is an autoimmune disease in which the ingestion of gluten induces enteropathy, or inflammation of the gut, in genetically susceptible individuals. This destruction of the gut means that nutrients cannot be absorbed, leading to a variety of clinical symptoms: anemia due to the lack of iron, atherosclerosis due to the lack of calcium, failure to thrive in children, and GI stress, among others.

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Why Microsoft Is Buying Skype For $8.5 Billion

Microsoft is bringing Skype--the firm that basically kicked off the home VoIP revolution--into its ever-expanding universe. Will it be worth the huge price tag? Microsoft 's purchase of Skype for a reported $8.5 billion is as good as done

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iFive: Microsoft-Skype Deal, Google’s Music Starts Today, Foursquare Tries NFC, Tumblr’s "Share" Button, Twitter Adds Pay Tweets

1. Microsoft is poised to announce , maybe later this morning, that the rumored acquisition of Skype is actually true. New hints suggest the price may have pushed as high as $8.5 billion, and Microsoft is obviously imagining how Skype will plug into its enterprise offerings

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Chile OKs divisive mega hydroelectric dam project

SANTIAGO (Reuters) - Chile gave the green light on Monday to the divisive $3.5 billion HidroAysen hydro-power dam project that promises to ease energy squeezes, despite objections that it will ruin pristine Patagonian valleys.

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Corals Find an Effective Way to Spawn Despite Being Cemented in Place

It is hard to court the opposite sex when you are cemented in place, which explains why polyps--the tiny creatures whose exoskeletons form corals--do not reproduce by mating. Instead they cast millions of sperm and eggs into the sea, where they drift up to the ocean surface, collide, form larvae and float away to form new coral reefs

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Beyond Mammograms: Research Aims to Improve Breast Cancer Screening

Find a breast cancer tumor when it is tiny, and a woman will probably beat the disease. Find that same malignancy when it is larger or has spread to other organs, and she is far more likely to die, even after surgery, radiation and chemotherapy.

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Arctic nations eye future of world’s last frontier

By Andrew Quinn WASHINGTON (Reuters) - Leaders of Arctic nations gather in Greenland this week to chart future cooperation as global warming sets off a race for oil, mineral, fishing and shipping opportunities in the world's fragile final frontier. [More]

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