Short Wave - A Quick Dive Into How Submarines Work

Submarines can descend thousands of feet below the surface of the ocean, but to do so, they have to deal with an enormous amount of pressure. In this episode, engineer and pilot Bruce Strickrott of the Woods Hole Oceanographic Institution explains some of the fundamental engineering principles that allow submarines to dive so deep without imploding under the pressure.

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Consider This from NPR - What’s Behind The Increase In Migrant Children At The Southern Border

Thousands of unaccompanied migrant children have shown up at the southern border in recent weeks, overwhelming the government's ability to process and transfer them into the custody of sponsors or family members.

Melissa Lopez, director of Diocesan Migrant & Refugee Services Inc, tells NPR what the situations looks like from her vantage point in El Paso.

Mark Greenberg, senior fellow at the Migration Policy Institute, explains why COVID-19 protocols are making it even harder for the government to handle the increase in migrants at the border.

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Short Wave - What Earth Looked Like 3.2 Billion Years Ago

Encore episode. The surface of the Earth is constantly recycled through the motion of plate tectonics. So how do researchers study what it used to look like? Planetary scientist Roger Fu talks to host Maddie Sofia about hunting for rocks that can tell us what Earth looked like a few billion years ago, in the early days of the evolution of life.

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Consider This from NPR - Young And Radicalized Online: A Familiar Pattern In Capitol Siege Suspects

People who stormed the Capitol were radicalized by what they consumed online and in social media. That should sound familiar: Ten years ago, ISIS used a similar strategy to lure Americans to Syria.

Dina Temple-Raston reports on the pattern of radicalization. Tom Dreisbach explores familiar warning signs in the past of one Capitol siege suspect — including hateful speech and violent rhetoric.

More reporting from the NPR Investigations team is here.

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Consider This from NPR - BONUS: Rapper Mac Phipps, After 20 Years In Prison, Is One Step Closer To Freedom

In this episode from NPR's Louder Than A Riot, New Orleans rapper Mac Phipps speaks exclusively to NPR about the power dynamics at play throughout his clemency hearing, and hosts Sidney Madden and Rodney Carmichael examine how his hip-hop career continues to affect his image in the eyes of the law.

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Short Wave - Our Pandemic Future

It's been about a year since the coronavirus pandemic started to take hold in the United States. Recently, NPR science correspondent Rob Stein has been talking to infectious disease experts, epidemiologists, public health officials, medical historians and for the first time, many are cautiously offering hope. They say the worst may be finally over — but factors like vaccination rates, changes to public health policy and variant resistance to vaccines could upend that recovery.

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Consider This from NPR - Breonna Taylor Was Killed By Police 1 Year Ago. What’s Changed Since Then?

It's been one year since Breonna Taylor was shot and killed by police in her own apartment. In that year, Taylor's name has become a national symbol in the fight against racial injustice and police violence. But beyond the symbolism, many feel that actual progress has been disappointing.

In Louisville, Taylor's death has made other young Black women reflect on their own safety. Reporter Jess Clark of member station WFPL spoke to Black high school students who say Taylor's death changed the way they look at police.

Amid the national protests against police brutality and systemic racism, Kentucky State Rep. Attica Scott marched with her daughter. A year later and Scott has introduced legislation in Taylor's name that would ban no-knock search warrants, among other things. Scott spoke with NPR about what change she has seen in the last year.

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Short Wave - A Year Into The Pandemic, The Incarcerated Among The Most Vulnerable

In the year since the pandemic began, the coronavirus has severely impacted inmates and staff in U.S. jails and prisons. According to The Marshall Project, in the last year, over 380,000 prisoners tested positive for the coronavirus. Of those, 2,400 died. The close quarters make social distancing nearly impossible, leaving the incarcerated population vulnerable.

Josiah Bates, staff writer at TIME, reflects on how the pandemic has played out behind bars — in both jails and prisons. We also hear from Ronnie Hoagland Jr., who contracted COVID-19 while incarcerated in a Texas county jail.

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Consider This from NPR - The Pandemic Is Still Global. Here’s How Vaccination Is Going In Other Countries

Less than 4% of Brazil's population has been vaccinated, and now a dangerous new variant has overwhelmed parts of the country's health care system.

Duke University's Miguel Nicolelis tells NPR what it's like in Sao Paulo, where hospitals are turning patients away.

Other countries are also struggling to contain the coronavirus, combat disinformation, and distribute vaccines. NPR international correspondents survey the obstacles: Diaa Hadid in Islamabad, Ruth Sherlock in Beirut and Julie McCarthy, who covers the Philippines.

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Short Wave - The Importance Of Diversifying Alzheimer’s Research

Alzheimer's disease affects more than 6 million Americans and a disproportionate number are Black. NPR science correspondent Jon Hamilton explains why Black Americans may be at higher risk, and how diversifying Alzheimer's research could lead to a better understanding of the disease in Black Americans, and new treatments for everyone.

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