The ability to create wrought iron cheaply has been called one of the most significant innovations in the British Industrial Revolution. It's known today as the Cort process, named after British banker Henry Cort, who patented the technique. But Dr. Jenny Bulstrode, a historian at University College London (UCL), found that Cort stole the innovation from 76 Black enslaved ironworkers in Jamaica.

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Trump's latest charges may further fracture House Republicans — with some in the party motivated to undermine President Biden with investigations and others worried about holding on to split-ticket seats that Biden carried in 2020.

And, ahead of a November vote on a proposal that would amend the state's constitution to expand abortion access, state Republicans have scheduled a special election to raise the threshold for all ballot initiatives to 60 percent and impose more strenuous requirements to qualify for a vote.

This episode: political correspondent Ashley Lopez, domestic extremism correspondent Odette Yousef, congressional correspondent Deirdre Walsh, senior political editor and correspondent Ron Elving, and Statehouse News reporter Karen Kasler.

The podcast is produced by Elena Moore and Casey Morell. Our editor is Eric McDaniel. Our executive producer is Muthoni Muturi.

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Ever felt like you were watching yourself and the rest of the world from outside of your body? Or floating above yourself? Well, scientists finally know what part of your brain is causing that sensation. NPR science correspondent Jon Hamilton shares the tale of the discovery with host Aaron Scott. Plus, they talk about why it may be helpful to occasionally venture outside of your bodily self.

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Former President Donald Trump, appearing in federal court in Washington, D.C., said he was not guilty of federal charges alleging he conspired to overturn the 2020 election results. The judge has set Aug. 28 as the first hearing in the case and said that Trump does not need to appear. Trump has agreed not to discuss the case with any witness.

This episode: political correspondent Ashley Lopez, White House correspondent Franco Ordoñez, and national justice correspondent Carrie Johnson.

The podcast is produced by Elena Moore and Casey Morell. Our editor is Eric McDaniel. Our executive producer is Muthoni Muturi.

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Donald Trump continues to raise money and consolidate support on the back of his mounting criminal indictments — obstacles that would probably sink any other campaign. Meanwhile, President Biden has stayed nearly silent on the charges against Trump, despite Biden's 2020 campaign push branding Trump as an existential threat to American democracy. Why is he reticent now?

This episode: political correspondent Ashley Lopez, White House correspondent Franco Ordoñez, and senior political editor and correspondent Domenico Montanaro.

The podcast is produced by Elena Moore and Casey Morell. Our editor is Eric McDaniel. Our executive producer is Muthoni Muturi.

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For decades, humans have harvested the blood of horseshoe crabs, which is used to test whether many of our vaccines and medicines are contaminated with harmful bacterial toxins. But the horseshoe crab harvesting industry has few regulations and a lot of secrecy. NPR investigative reporter Chiara Eisner talks to us about expansion of this industry and why synthetic alternatives to the blood aren't being widely used in the United States.

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Former President Trump has been indicted for his role in attempting to overturn the results of the 2020 election, an effort that reached a bloody crescendo on Jan. 6, 2021. Trump faces four federal criminal charges, including conspiracy to defraud the United States. Six unnamed individuals were listed alongside Trump as alleged co-conspirators, but have not yet been charged.

This episode: political correspondent Ashley Lopez, national justice correspondent Carrie Johnson, and senior political editor and correspondent Ron Elving.

The podcast is produced by Elena Moore and Casey Morell. Our editor is Eric McDaniel. Our executive producer is Muthoni Muturi.

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Will Hurd is a 45 year-old former CIA agent who served six years representing western Texas in the House. He told us that he's running because he sees generational challenges facing America's "fragile democracy."

This episode: political correspondent Susan Davis, White House correspondent Asma Khalid.

The podcast is produced by Elena Moore and Casey Morell. Our editor is Eric McDaniel. Our executive producer is Muthoni Muturi.

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Would you survive as a doctor in The Sims 4? What's the appropriate amount of free food to take from a public sample station before it's considered greedy? And how much of an impact do clock towers have on sleep?

These are the hard-hitting questions that researchers ask and answer in the Christmas issue of The BMJ, formerly known as the British Medical Journal. What started in 1982 as an experimental roundup of fun research for the holidays has since grown into one of The BMJ's most highly anticipated issues each year. In honor of the July 31 research submission deadline, Short Wave talks to two of its editors about what makes the cut.

What science story do you want to hear next on Short Wave? Email us at [email protected] — we'd love to know!

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In this special episode, we hear from the high school grand prize winner of NPR's Student Podcast Challenge: Georgianna McKenny. A rising senior at the Mississippi School for Mathematics and Science, the 17-year-old rings an alarm on the water crisis in Jackson, through the lens of young people. Emily, who was one of the judges of this year's contest, talks to Georgianna about her winning podcast and their shared love for storytelling.

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