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Federal officials and scientific experts say the virus detected in retail milk samples may be inactive and unable to cause an infection.
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A research lab in Flagstaff, Ariz., is trying to leverage a 1970s discovery into a safe and desirable alternative for men who want to prevent pregnancy.
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Surgeons transplanted a kidney and thymus gland from a gene-edited pig into a 54-year-old woman in an attempt to extend her life. It's the latest experimental use of animal organs in humans.
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Over the past few decades, psychologists have begun to understand how parents across many cultures teach their children to build deep, fulfilling relationships with their siblings.
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The talks in Canada are not going well,and scientists and civil society groups say the U.S. is largely to blame.
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The new rules mean 4 out of 5 nursing homes will need more aides and nurses. Unions hailed the change, but advocates say it's not enough care, while nursing home owners say it's an "impossible task."
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NPR's TED Radio Hour looks into the science of awkward psychological traits and the crossover between awkwardness and autism.
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Climate change is making it harder to meet clean air goals, says the 25th annual State of the Air report from the American Lung Association.
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The case comes from Idaho, where the law banning abortions is sufficiently strict that the state's leading hospital system says its patients are at risk.
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The agency stressed the material is inactivated and that the findings "do not represent actual virus that may be a risk to consumers," but it's continuing to study the issue.
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In mid-November, Voyager 1 suffered a glitch, and it's messages stopped making sense. But the NASA probe is once again sending messages to Earth that make sense.
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NPR's Juana Summers talks with biologist Adam Hartstone-Rose about his study into why animals are so stressed out during an eclipse.