Short Wave

What happens after a whale dies? Their carcasses, known as "whale falls," provide a sudden, concentrated food source for organisms in the deep sea. Biologist Diva Amon is our guide through whale-fall ecosystems and the unique species that exist on these fallen whales.

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Trump's campaign may be raising lots of money off impeachment, but it may not be firing up rural voters as Republicans thought it would. Plus, William Taylor, the top U.S. diplomat to Ukraine, told congressional investigators that President Trump's personal lawyer Rudy Giuliani was acting in the president's interests. This episode: Congressional correspondent Susan Davis, White House correspondent Tamara Keith, justice correspondent Ryan Lucas, political reporter Jessica Taylor, and senior political editor and correspondent Domenico Montanaro. Email the show at [email protected]. Find and support your local public radio station at npr.org/stations.

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The spotted lanternfly is eating its way through trees and crops in eastern Pennsylvania. NPR science correspondent Dan Charles explains how scientists hope to stop the spread of this invasive pest by importing a natural enemy from its home in China. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at [email protected].

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Transcripts from four witnesses in the impeachment inquiry have been made public. The NPR Politics Podcast breaks down the key takeaways from the hundreds of pages of testimony. This episode: Congressional correspondent Susan Davis, national security editor Phil Ewing, and national political correspondent Mara Liasson. Email the show at [email protected]. Find and support your local public radio station at npr.org/stations.

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It's official, but not a surprise. The U.S. has told the United Nations it wants to withdraw from the Paris Agreement, the global accord to fight climate change. President Trump announced his intention to leave it back in 2017. Climate reporter Becky Hersher tells us what the Paris Agreement is, why the Trump Administration wants out and what it means now that the U.S. has made it official. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at [email protected].

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All six U.S. Senators still running for president are backing the House's impeachment inquiry. But now that the lawmakers may be getting what they want, many political operatives see it as a train wreck for their presidential campaigns. This episode: Congressional correspondent Susan Davis, political correspondent Asma Khalid, and political correspondent Scott Detrow. Email the show at [email protected]. Find and support your local public radio station at npr.org/stations.

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Victoria Gray has sickle cell disease, a painful and debilitating genetic condition that affects millions of people around the world. But an experimental gene-editing technique known as CRISPR could help her — and, if it does, change the way many genetic diseases are treated. Correspondent Rob Stein tells her story, an NPR-exclusive, and explains the science behind her treatment. Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at [email protected].

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Sen. Elizabeth Warren released her plan to pay for single-payer health care without imposing new taxes on the middle class. Plus, Timothy Morrison verified to House investigators that President Trump leaned on Ukraine to launch investigations he thought might help him. He worried about blowback — but not legal implications. This episode: White House correspondent Tamara Keith, senior editor and correspondent Domenico Montanaro, political correspondent Asma Khalid, political reporter Danielle Kurtzleben, Congressional correspondent Susan Davis, and White House correspondent Franco Ordoñez. Email the show at [email protected]. Find and support your local public radio station at npr.org/stations.

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It's our first-ever listener questions episode! On this Short Wave, listener Charlotte asks why some people seek out scary experiences. We reached out to Ken Carter, a psychology professor at Oxford College of Emory University, for answers. Turns out, some of us may be more wired to crave the thrill. Follow Maddie on Twitter @maddie_sofia. Email the show at [email protected].

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The House of Representatives voted Thursday 232-196 to pass a resolution formalizing its impeachment inquiry into President Trump. Just two Democrats voted no. This episode: White House correspondent Tamara Keith, congressional editor Deirdre Walsh, political reporter Miles Parks, and political reporter Tim Mak. Email the show at [email protected]. Find and support your local public radio station at npr.org/stations.

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