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Wednesday

Dr. Jeffrey Stern, assistant professor in the Department of Surgery at NYU Grossman School of Medicine, and Dr. Robert Montgomery, director of the NYU Langone Transplant Institute, prepare the gene-edited pig kidney with thymus for transplantation. Joe Carrotta for NYU Langone Health hide caption

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Joe Carrotta for NYU Langone Health

A woman with failing kidneys receives genetically modified pig organs

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Wildfire smoke from Canada caused dangerously unhealthy air quality in New York City and across much of the U.S. in 2023. While air quality has improved greatly in the U.S. in recent decades, wildfire smoke and other climate-influenced problems are endangering that progress. Ed Jones/AFP via Getty Images hide caption

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Ed Jones/AFP via Getty Images

The U.S. Food and Drug Administration said Tuesday, April 23, 2024, that samples of pasteurized milk had tested positive for remnants of the bird flu virus that has infected dairy cows. Rich Pedroncelli/AP hide caption

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Rich Pedroncelli/AP

Damming waterways is what beavers do best, often to the chagrin of people who want the opposite. But those same damming skills are what make beavers important ecosystem engineers. Chase Dekker Wild-Life Images hide caption

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Chase Dekker Wild-Life Images

Beavers can help with climate change. So how do we get along?

NPR's Tom Dreisbach is back in the host chair for a day. This time, he reports on a story very close to home: The years-long battle his parents have been locked in with the local wild beaver population. Each night, the beavers would dam the culverts along the Dreisbachs' property, threatening to make their home inaccessible. Each morning, Tom's parents deconstructed those dams — until the annual winter freeze hit and left them all in a temporary stalemate.

Beavers can help with climate change. So how do we get along?

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Tuesday

Good news from Voyager 1, which is now out past the edge of the solar system

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Animals are stressed during eclipses. But not for the reason you think

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Monday

Drug companies often do one-on-one outreach to doctors. A new study finds these meetings with drug reps lead to more prescriptions for cancer patients, but not longer survival. Chris Hondros/Getty Images hide caption

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Chris Hondros/Getty Images

Oncologists' meetings with drug reps don't help cancer patients live longer

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Scholars Susan Ashbrook Harvey, left, and Robin Darling Young became 'sworn siblings' after an ancient ritual at the Church of the Holy Sepulchre in Jerusalem. Keren Carrion/NPR; Jodi Hilton for NPR hide caption

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Keren Carrion/NPR; Jodi Hilton for NPR

How two good friends became sworn siblings — with the revival of an ancient ritual

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A cheap drug may slow down aging. A study will determine if it works

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Sunday

Genes play a very small role in determining left-handedness, research finds

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