Short Wave

Indonesia is the world's largest exporter of coal for electricity. And it's also an emerging economy trying to address climate change. The country recently signed a highly publicized, $20 billion international deal to transition away from coal and toward renewable energy. The hope is the deal could be a model for other countries. But Indonesian energy experts and solar executives worry much of this deal may be "omong kosong" — empty talk. Today, NPR climate solutions reporter Julia Simon breaks down the realities and limitations of Indonesia's renewable aspirations.

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The U.S. attorney general traveled to Ukraine to discuss war crimes investigations with top justice officials from around the globe. In an exclusive conversation, NPR interviewed Garland about why this work is personal to him.

This episode: White House correspondent Scott Detrow, international correspondent Deb Amos, and national justice correspondent Carrie Johnson.

This episode was produced by Elena Moore and Casey Morell. It was edited by Eric McDaniel. Our executive producer is Muthoni Muturi. Research and fact-checking by Devin Speak.

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The Roman Colosseum is a giant, oval amphitheater built almost two thousand years ago. Despite its age and a 14th century earthquake that knocked down the south side of the colosseum, most of the 150-some foot building is still standing. Like many ancient Roman structures, parts of it were constructed using a specific type of concrete. Scientists and engineers have long suspected a key to these buildings' durability is their use of this Roman concrete. But exactly how this sturdy concrete has contributed to the architecture's strength has been a mystery to researchers across the globe.

A team of interdisciplinary researchers have recently discovered one answer to why these ancient Roman buildings have weathered the test of time — while many modern, concrete structures seem to crumble after a few decades.

The answer: self-healing concrete.

Curious about other new discoveries or potential climate solutions scientists are researching? Email us at [email protected].

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Democratic lawmakers and Republican activists both met for messaging conferences this week. The Supreme Court's conservative majority appears poised to strike down President Biden's order cancelling some student debt.

This episode: congressional correspondent Susan Davis, congressional reporter Barbara Sprunt, political reporter Elena Moore, senior political editor and correspondent Domenico Montanaro, and legal affairs correspondent Nina Totenberg.

This episode was produced by Elena Moore and Casey Morell. It was edited by Eric McDaniel. Our executive producer is Muthoni Muturi. Research and fact-checking by Devin Speak.

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Chanda Prescod-Weinstein is a theoretical physicist at the University of New Hampshire. It's her job to ask deep questions about how we — and the rest of the universe — got to this moment.

Her new book, The Disordered Cosmos: A Journey into Dark Matter, Spacetime, and Dreams Deferred, does exactly that. It's an examination of the science that underpins our universe and how the researchers seeking to understand those truths, in turn, shape the science.

As we close out Black History month, we revisit this conversation between Chanda and former Short Wave host, Maddie Sofia. Chanda explains that what she wants most is for every single person to have equal access to the same night sky that has mesmerized her all these years.

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Speaker of the House Kevin McCarthy provided access to the footage to Carlson, who has frequently used his Fox News show to spread conspiracies about the attack. There has been a sustained effort on the part of Trump-allied Republicans to muddy the waters about the nature of the U.S. Capitol riot.

This episode: political correspondent Susan Davis, congressional correspondent Claudia Grisales, and senior political editor and correspondent Domenico Montanaro.

This episode was produced by Elena Moore and Casey Morell. It was edited by Eric McDaniel. Our executive producer is Muthoni Muturi. Research and fact-checking by Devin Speak.

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When Abra Lee became the landscape manager at Hartsfield-Jackson Atlanta International Airport, she sought some advice about how to best do the job. The answer: study the history of gardening. That led to her uncovering how Black involvement in horticulture in the U.S. bursts with incredible stories and profound expertise, intertwined with a tragic past. She's now teaching these stories and working on a book, Conquer the Soil: Black America and the Untold Stories of Our Country's Gardeners, Farmers, and Growers. Abra Lee talks with former Short Wave producer Eva Tesfaye about uncovering Black horticultural history and several of the hidden figures who shaped it.

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A new House panel kicked off a series of hearings focused on what lawmakers describe as the threat posed by China's government to the United States. The committee's chair, Republican Mike Gallagher, hopes the committee produces a slew of bipartisan legislation. How did things get to this point?

This episode: political correspondent Susan Davis, White House correspondent Asma Khalid, and congressional correspondent Deirdre Walsh.

This episode was produced by Elena Moore and Casey Morell. It was edited by Eric McDaniel. Our executive producer is Muthoni Muturi. Research and fact-checking by Devin Speak.

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As a kid, Clarice Phelps dreamed of being an astronaut, or maybe an explorer like the characters on Star Trek. Her path to a career in science turned out to be a bit different than what she expected, including lengthy stints on a nuclear-powered aircraft carrier. But that path led her to being a part of something big: the discovery of a new element on the periodic table.

Clarice talks to Short Wave co-host Aaron Scott about her role in creating Tennessine, one of the heaviest elements known to humankind.

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The Department of Energy has a new report which concludes with "low confidence" that the COVID-19 virus could have originated from a lab in Wuhan, China. The news was first reported by the Wall Street Journal report. Scientists say the evidence continues to strongly support a wildlife origin. The attempt to figure out the truth continues to have big implications across public health and both domestic and international politics.

This episode: political correspondent Susan Davis, White House correspondent Tamara Keith, science correspondent Michaeleen Doucleff, and national security correspondent Greg Myre.

This episode was produced by Elena Moore and Casey Morell. It was edited by Eric McDaniel. Our executive producer is Muthoni Muturi. Research and fact-checking by Devin Speak.

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