Joy Reynolds of San Diego looks at the newspapers on display at the Newseum in Washington, D.C., on June 29, 2012, following the Supreme Court ruling on President Obama's health care law. David Goldman/AP hide caption

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Three Years On, States Still Struggle With Health Care Law Messaging

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Dr. Nayna Patel performs an ultrasound exam on Rinku Macwan, at a hospital near Ahmedabad, India. It's illegal in India for doctors to reveal a baby's sex during these exams, but many do it anyway. Sam Panthaky/AFP/Getty Images hide caption

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A worker stands on top of a storage bin on July 27, 2011, at a drilling operation in Claysville, Pa. The dust is from powder mixed with water for hydraulic fracturing. Keith Srakocic/AP hide caption

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Sand From Fracking Could Pose Lung Disease Risk To Workers

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A new study from the Centers for Disease Control and Prevention finds no link between the number of vaccinations a young child receives and the risk of developing autism spectrum disorders. Jeff J. Mitchell/Getty Images hide caption

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Number Of Early Childhood Vaccines Not Linked To Autism

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Taxes this year will be as much of a drag as ever. But not because of the Affordable Care Act. iStockphoto.com hide caption

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Obamacare Won't Affect Most 2012 Taxes, Despite Firm's Claim

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Leslie Morgan Steiner shares her story of domestic abuse at TEDxRainier. TED hide caption

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Why Don't Domestic Violence Victims Leave?

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Philip Zimbardo explains his infamous Stanford Prison experiment at a TED conference. Andrew Heavens/Courtesy of TED hide caption

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Why Do Good People Do Bad Things?

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David Oliver sits quietly as he waits for the results of a scan at Ellis Fischel Cancer Center in Columbia, Mo., in 2012. The University of Missouri research professor was diagnosed with cancer in September 2011. He broke the news to colleagues via a video on the Internet. Jeff Roberson/AP hide caption

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Particles of the hepatitis C virus are imaged with an electron microscope. James Cavallini/Science Source hide caption

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Simple Strategies Can Prevent Grain Bin Tragedies

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A microscopic image of prostate cancer. Researchers have found new genetic markers that flag a person's susceptibility to the disease, as well as breast and ovarian cancer. Otis Brawley /National Cancer Institute hide caption

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How Should We Be Talking About Sex?

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