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While it may seem that heaps of plastic from meal kit delivery services like Blue Apron make them less environmentally friendly than traditional grocery shopping, a new study says the kits actually produce less food waste. Derek Davis/Portland Press Herald via Getty Images hide caption

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Derek Davis/Portland Press Herald via Getty Images

Parts of the Cape Fear River near Fayetteville, N.C., are contaminated with a PFAS compound called GenX. The North Carolina Department of Health and Human Services is surveying residents in the area about their health. Mark Wilson/Getty Images hide caption

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Mark Wilson/Getty Images

Scientists Dig Into Hard Questions About The Fluorinated Pollutants Known As PFAS

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Former Astronaut On Watching For Life-Destroying Objects From Space

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Debris from Hurricane Michael rests along a canal on Oct. 18, 2018, in Mexico Beach, Fla. NOAA upgraded the storm to a Category 5 after completing its analysis. Scott Olson/Getty Images hide caption

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Scott Olson/Getty Images

A map shows earthquake faults in part of Southern California. Scientists using hundreds of graphics processors found that the region experienced 1.81 million temblors over a decade-long span — 10 times more than what had previously been detected. Rich Pedroncelli/AP hide caption

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Rich Pedroncelli/AP

David Vetter, pictured in September 1982 inside part of the bubble environment that was his protective home until he died in 1984. Today most kids born with severe combined immunodeficiency are successfully treated with bone marrow transplants, but researchers think gene therapy is the future. AP hide caption

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AP

Gene Therapy Advances To Better Treat 'Bubble Boy' Disease

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The image on the left shows the brains of pigs that were untreated for 10 hours after death, with neurons appearing as green, astrocytes as red and cell nuclei as blue. The image on the right shows cells in the same area of brains that, four hours after death, were hooked up to a system that the Yale University researchers call BrainEx. Stefano G. Daniele and Zvonimir Vrselja, Sestan Laboratory, Yale School of Medicine hide caption

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Stefano G. Daniele and Zvonimir Vrselja, Sestan Laboratory, Yale School of Medicine

Scientists Restore Some Function In The Brains Of Dead Pigs

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Climate Change Is 'Greatest Challenge Humans Have Ever Faced,' Author Says

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CRISPR gene-editing technology allows scientists to make highly precise modifications to DNA. The technology is now starting to be used in human trials to treat several diseases in the U.S. Molekuul/Getty Images/Science Photo Library hide caption

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Molekuul/Getty Images/Science Photo Library

First U.S. Patients Treated With CRISPR As Human Gene-Editing Trials Get Underway

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Scientists Plan To Start Human Trials Testing CRISPR Soon

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A team of researchers found a surprisingly large amount of microplastic in the air in the Pyrenees mountains in southern France. VW Pics/UIG via Getty Images hide caption

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VW Pics/UIG via Getty Images

Microplastic Found Even In The Air In France's Pyrenees Mountains

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Gentoo penguins sit on an Antarctic iceberg in a scene from the new Netflix nature documentary series Our Planet. Sophie Lanfear/Silverback/Netflix hide caption

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Sophie Lanfear/Silverback/Netflix

'Our Planet' Nature Documentary Addresses The 800-Pound Gorilla — Human Impact

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