NBN Book of the Day - Jonas Enander, “Facing Infinity: Black Holes and Our Place on Earth” (The Experiment Press, 2025)

Humanity's relationship with black holes began in 1783 in a small English village, when clergyman John Michell posed a startling question: What if there are objects in space that are so large and heavy that not even light can escape them? Almost 250 years later, in April 2019, scientists presented the first picture of a black hole. Profoundly inspired by that image, physicist Jonas Enander has traveled the world to investigate how our understanding of these elusive celestial objects has evolved since the days of Michell.

With the particular goal of discovering our human connection to black holes, Enander visits telescopes and observatories, delves deeply into archives, and interviews over 20 world-leading experts, including several Nobel laureates. With Facing Infinity: Black Holes and Our Place on Earth (The Experiment Press, 2025), he takes us on a spellbinding journey into the universe's greatest mystery, deciphers the most mind-bending science, and answers questions surrounding how black holes work, where they come from, and what role they play in the universe.

Along the way Enander discovers how our desire to understand black holes inadvertently paved the way for the invention of Wi-Fi and the calibration of our global navigation satellites, how astronomical discovery became entangled with colonial conflicts, and how our looking outward gave us critical evidence of the impact of climate change. Facing Infinity helps us appreciate and understand as never before these mysterious celestial objects and our surprising connections to them.

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Talk Python To Me - #520: pyx – the other side of the uv coin (announcing pyx)

A couple years ago, Charlie Marsh lit a fire under Python tooling with Ruff and then uv. Today he’s back with something on the other side of that coin: pyx.

Pyx isn’t a PyPI replacement. Think server, not just index. It mirrors PyPI, plays fine with pip or uv, and aims to make installs fast and predictable by letting a smart client talk to a smart server. When the client and server understand each other, you get new fast paths, fewer edge cases, and the kind of reliability teams beg for. If Python packaging has felt like friction, this conversation is traction. Let’s get into it.

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The NewsWorthy - Trump’s Tylenol Warning, Kimmel Returns & #RaptureTok – Tuesday, September 23, 2025

The news to know for Tuesday, September 23, 2025!

What to know about President Trump’s new message to pregnant women about preventing autism—and how scientists and doctors are responding.

Also, a Supreme Court case that could remake how independent government agencies operate.

And inside ABC’s decision to bring Jimmy Kimmel back on the air.

Plus: former Vice President Harris talks about some of her regrets, the story behind “rapture” posts on social media, and the first-of-its-kind partnership between Netflix and a beer company—that could change what you see on screen.

 

Those stories and even more news to know in about 10 minutes! 

 

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What A Day - Dr. Trump’s Bad Medicine

Health and Human Services Secretary Robert F. Kennedy Jr., noted anti-vaxxer and, apparently, part-time detective, announced back in April that he was on the hunt for the real cause of autism. A hunt that would take no prisoners, ask big questions, and find the one true answer to a medical question that's been researched for decades... by September. Well, on Monday, the Trump administration announced that the hunt was over. Sort of. In an upcoming report that already has raised way, way, way more questions than it could possibly answer, the government announced that it was looking to link rising autism rates to the use of acetaminophen, the active ingredient in Tylenol, by pregnant women. And blaming autism on Tylenol, with no evidence, is part and parcel of what the "Make America Healthy Again" movement actually looks like. To help us understand all of this, we spoke to Brandy Zadrozny, a journalist covering misinformation and extremism for MSNBC.

And in other news, the Supreme Court signals it will probably, maybe, overturn a nearly century-old law for President Donald Trump, the White House denies claims that Border Czar, Tom Homan, allegedly accepted a $50,000 bribe, and Disney announces "Jimmy Kimmel Live!" will return to late night.

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Pod Save America - Kimmel Wins, Tylenol Loses

Disney reverses course and announces, despite pressure from the FCC, Jimmy Kimmel will return to the air. President Trump, speaking at the White House, declares — without scientific evidence — that acetaminophen use during pregnancy causes autism. The DOJ shuts down an FBI investigation into border czar Tom Homan, who was caught, on tape, accepting a $50,000 bribe in a Cava bag. Favreau, Lovett, and Tommy react to it all and discuss Charlie Kirk's NFL stadium memorial service, Sen. Ted Cruz's departure from the MAGA-majority on free speech, and Trump's latest Watergate-level corruption scandal—the firing of a US Attorney who refused to charge Trump's enemies with crimes they did not commit. Then, Sen. Elizabeth Warren stops by the studio to talk to Lovett about the Democratic Party's impending government shutdown fight.

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The Best One Yet - 🧸 “Bear Squeeze” — Build-A-Bear’s 2,500% surge. H-1B’s $100K visa fee. Beli’s Yelp-etition. +SNL’s talent accelerator.

Trump jacked up the fee of H-1B visas to $100K… The economic lens? It’s a tariff on people.

Build-A-Bear’s stock is surging this year… because 92% of us still have a childhood teddy bear.

Beli is viral restaurant review site challenging Yelp… because stories are better than stars.

Plus, Saturday Night Live’s key to success?... The Snicker Bar Strategy


$BBW $YELP $NVDA


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WSJ Tech News Briefing - Inside Duolingo’s Controversial ‘AI-First’ Strategy

When Duolingo’s CEO told staff he wanted the company to become an “AI-first” business, critics questioned if it was a euphemism for human layoffs. The WSJ Leadership Institute’s Belle Lin gets an update on how the pivot is working in practice. Also, workplace reporter Ray A. Smith explains how changes to the H-1B visa program sent the tech industry spiraling. Katie Deighton hosts.


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What Could Go Right? - Turning Science Fiction Into Reality with Ed Finn

Can today’s science fiction become tomorrow’s guidebook for change? Zachary and Emma sit down with Ed Finn, the visionary behind the Center for Science and the Imagination at ASU and academic director of Future Tense. Ed explores the intersection between sci-fi and real world science, the complexities of new technologies like AI and gene editing, and why our imaginations can be the launchpad for tomorrow’s innovations and building the future we dream about.


What Could Go Right? is produced by The Progress Network and The Podglomerate.

For transcripts, to join the newsletter, and for more information, visit: theprogressnetwork.org

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NPR's Book of the Day - ‘Beyond Fast’ chronicles one coach’s unlikely revolution in high school cross-country

When Sean Brosnan started coaching the Newbury Park High School cross-country team, the school hadn't qualified for a state championship in 25 years. But within just three years, they were state champions. Now, the coach has written a memoir with Chris Lear and Andrew Greif called Beyond Fast: How A Renegade Coach And His Unlikely High School Team Revolutionized Distance Running. In today’s episode, he talks with NPR’s Scott Simon about what it meant to ask his runners for total commitment.


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The Indicator from Planet Money - Should “surveillance pricing” be banned?

When you walk into a store, you're probably used to seeing price tags on things, saying what they cost. 

But when you shop online, there is no price tag. There's just the price you see on screen. What if companies use your online data — like your location and browsing history — to charge you more than somebody else … or maybe less?

Today on the show: Surveillance pricing vs. personalized pricing. 

Related episodes: 

Is dynamic pricing coming to a supermarket near you?

Wendy's pricing mind trick and other indicators of the week

For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org. Fact-checking by Sierra Juarez. Music by Drop Electric. Find us: TikTok, Instagram, Facebook, Newsletter.  

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