A growing number of pediatric sports medicine groups warn that when a child focuses on a single sport before age 15 or 16, they increase their risk of injury and burnout — and don't boost their overall success in that sport. Hero Images/Getty Images hide caption

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Student Athletes Who Specialize Early Are Injured More Often, Study Finds

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Hidden Brain: How Cigarette Taxes Affect Food Buying

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Professional fighter Gina Mazany practices during a training session at Xtreme Couture Mixed Martial Arts in Las Vegas. She well remembers her first concussion — which came in her first fight. "I was throwing up that night," Mazany says. Bridget Bennett for NPR hide caption

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Bridget Bennett for NPR

Female Athletes Are Closing The Gender Gap When It Comes To Concussions

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Researchers Map More Of The Ocean Floor In Search For Missing Plane

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The microneedle patches developed at Georgia Institute of Technology's Laboratory for Drug Delivery each contain an array of needles less than a millimeter long. Courtesy of Georgia Institute of Technology hide caption

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Courtesy of Georgia Institute of Technology

A pump jack at work in 2016, near Firestone, Colo. The American Exploration & Production Council, which represents oil and gas exploration firms, is one of many industry groups supporting the HONEST Act, which was passed by the House and is now with the Senate. David Zalubowski/AP hide caption

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David Zalubowski/AP

GOP Effort To Make Environmental Science 'Transparent' Worries Scientists

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Northern elephant seals recognize each other's voices based on rhythm and pitch. Nicolas Mathevon/Current Biology hide caption

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Nicolas Mathevon/Current Biology

Threat call of a northern elephant seal

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Researchers Examine When People Are More Susceptible To Fake News

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According to research from Harvard, between 10% and 40% of the kids who intend to go to college at the time of high school graduation don't actually show up in the fall. Education researchers call this phenomenon "summer melt," and it has long been a puzzling problem. S_e_P_p/Getty Images/iStockphoto hide caption

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S_e_P_p/Getty Images/iStockphoto

An image of Penicillium colonies. The white colony is a mutant similar to the mold found in Camembert cheese. The green ones are the wild form. Courtesy of Benjamin Wolfe hide caption

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Courtesy of Benjamin Wolfe

New research finds that African-Americans who grow up in harsh environments and endure stressful experiences are much more likely to develop Alzheimer's or some other form of dementia. Leland Bobbe/Getty Images hide caption

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Leland Bobbe/Getty Images

Stress And Poverty May Explain High Rates Of Dementia In African-Americans

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Quantum satellite "Micius" flies past the quantum teleportation experiment platform in Tibet. Chinese scientists have announced they successfully "teleported" information on a photon from Earth to space, spanning a distance of more than 300 miles. Jin Liwang/Xinhua News Agency/Getty Images hide caption

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Jin Liwang/Xinhua News Agency/Getty Images

Beam Me Up, Scotty ... Sort Of. Chinese Scientists 'Teleport' Photon To Space

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With an American honeybee queen for a mother and a European honeybee drone for a father, this worker bee has a level of genetic diversity unseen in the U.S. for decades. Researchers at Washington State University hope a deeper gene pool will give a new generation of honeybees much-needed genetic traits, like resistance to varroa mites. The parasite kills a third of American honeybees each year. Megan Asche/Courtesy of Washington State University hide caption

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Megan Asche/Courtesy of Washington State University

Image of a CAR-T cell (reddish) attacking a leukemia cell (green). These CAR-T lymphocytes are used for immunotherapy against cancer (CAR stands for chimeric antigen receptor). After the proliferation of the CAR-expressing T cells, they are transfused back into the patient and can directly detect the cancer cells carrying the antigen. Eye of Science/Science Source hide caption

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Eye of Science/Science Source

'Living Drug' That Fights Cancer By Harnessing Immune System Clears Key Hurdle

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Lara Hogan developed preeclampsia when she was pregnant with her son Zion in 2016. Both are fine now, but she's taking extra precautions to stay healthy. Anna Gorman/California Healthline hide caption

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Anna Gorman/California Healthline

Women With High-Risk Pregnancies Are More Likely To Develop Heart Disease

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Scientists Are Not So Hot At Predicting Which Cancer Studies Will Succeed

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Research shows birth order really does matter. Catherine Delahaye/Getty Images hide caption

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Catherine Delahaye/Getty Images

Research Shows Birth Order Really Does Matter

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