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Arthritis is a joint disease that can cause cartilage destruction and erosion of the bone, as well as tendon inflammation and rupture. Affected areas are highlighted in red in this enhanced X-ray. Philippe Sellem/Paul Demri/ Voisin/Science Source hide caption

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Philippe Sellem/Paul Demri/ Voisin/Science Source

6,000-Year-Old Knee Joints Suggest Osteoarthritis Isn't Just Wear And Tear

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New Study Highlights Strong Link Between Basic Research And Inventions

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Researchers: Hackers Could Encode Human DNA With Malicious Software

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A recent study shows a link between high discharge rates for live patients and hospice profit margins. Gary Waters/Getty Images/Ikon Images hide caption

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Gary Waters/Getty Images/Ikon Images

Nearly 1 In 5 Hospice Patients Discharged While Still Alive

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Andrew Ladd and Fumiko Chino at their wedding in 2006, after his cancer diagnosis. Ladd died the following year, leaving behind hundreds of thousands of dollars in medical debt. Courtesy of Dr. Fumiko Chino hide caption

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Courtesy of Dr. Fumiko Chino

Widowed Early, A Cancer Doctor Writes About The Harm Of Medical Debt

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Valeant Pharmaceuticals, based in Bridgewater Township, N.J., bought two specialty heart drugs used in emergency treatment from Marathon Pharmaceuticals in 2015, and then dramatically increased each drug's price. Ron Antonelli/Bloomberg via Getty Images hide caption

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Ron Antonelli/Bloomberg via Getty Images

The chip has not been tested in humans, but it has been used to heal wounds in mice. Wexner Medical Center/The Ohio State University hide caption

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Wexner Medical Center/The Ohio State University
Erik Nelson Rodriguez for NPR

Syrian Refugee And German Scientist Make An Unlikely Team

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New research found a link between how puppies interact with their mothers and how they perform in guide dog training. Westend61/Getty Images hide caption

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Westend61/Getty Images

Coddled Puppies Make Poor Guide Dogs, Study Suggests

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A total solar eclipse is visible through the clouds as seen from Vagar in the Faroe Islands in March 2015. Eric Adams/AP hide caption

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Eric Adams/AP

Scientists Prepare For 'The Most Beautiful Thing You Can See In The Sky'

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Issues Threatening Seabirds Could Extend To The Lobster Industry

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Women work on strengthening their core abdominal muscles in Leah Keller's exercise class for new moms, inside a San Francisco clothing store called Monkei Miles. Talia Herman for NPR hide caption

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Talia Herman for NPR

Flattening The 'Mummy Tummy' With 1 Exercise, 10 Minutes A Day

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Finding some change in the blood of an Alzheimer's patient that accurately reflects the damaging changes in the brain has been tough. utah778//iStockphoto/Getty Images hide caption

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utah778//iStockphoto/Getty Images