Math! Science! History!

In this Flashcard Friday episode of Math! Science! History!, we spotlight three groundbreaking scientists whose outsider perspectives didn't just add diversity to their fields, they fundamentally changed what science could discover. From Flossie Wong-Staal's molecular work that cracked the mystery of HIV and transformed AIDS treatment, to Omar Yaghi's Nobel Prize-winning invention of metal-organic frameworks that opened a new era of chemistry by design, to Mario Molina's courageous atmospheric research that led to the Montreal Protocol and the slow recovery of Earth's ozone layer, this episode reveals the powerful and undeniable connection between diverse scientific participation and world-changing progress. These aren't just inspiring stories, they're a blueprint for why inclusion isn't optional in science; it's essential. 5 Things Listeners Will Learn How Flossie Wong-Staal helped clone and sequence the HIV genome, making blood screening, transmission prevention, and antiretroviral drug development possible, saving millions of lives. What reticular chemistry is and why Omar Yaghi's metal-organic frameworks represent a revolutionary shift from discovering materials to deliberately designing them, with applications in carbon capture, clean energy, and water purification. How Mario Molina proved that CFCs were destroying the ozone layer, and how his politically unwelcome findings directly led to the Montreal Protocol, one of the most successful environmental treaties in history. Why diverse scientific perspectives accelerate discovery, including how different training, cultural backgrounds, and intellectual traditions help science identify errors faster and reach more robust solutions. The real cost of discrimination in science, not just to individuals, but to the pace of discovery, the accuracy of evidence, and the problems humanity can solve. Resources & Further Reading ·         🔬 Flossie Wong-Staal ·         ⚗️ Omar Yaghi & the 2025 Nobel Prize in Chemistry, Nobel Prize Official Announcement | Yaghi Research Group, UC Berkeley ·         🌍 Mario Molina & the Montreal Protocol, UNEP: Montreal Protocol Overview ·         📚 Reticular Chemistry, Yaghi Lab Introduction to MOFs 💬 Enjoyed this episode? Leave us a review on Apple Podcasts, it helps more curious minds find the show! And share this episode with a student, teacher, or science lover in your life.  🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h  🎧 Enjoying the Podcast? 🔗 Explore more on our website: mathsciencehistory.com ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Until next time, carpe diem!

This episode reframes the Matilda Effect not as a simple story of stolen credit, but as a mathematical and institutional process in which small biases compound over time. Drawing on sociology of science, network theory, and citation dynamics, the script explains how cumulative advantage systems, like preferential attachment and the Matthew Effect, amplify early visibility into lasting historical recognition, even without overt wrongdoing. It shows how peer review, authorship norms, invisible labor, and archival practices inherit and reinforce these dynamics, making later corrections ineffective. Ultimately, the episode argues that the Matilda Effect persists because recognition itself behaves mathematically, and that changing history requires deliberate intervention at the points where credit is first assigned, cited, preserved, and taught. What you'll learn: The Matilda Effect isn't about stolen ideas, it's about systems that compound bias. Small disadvantages early in a career can snowball into permanent historical erasure. Recognition follows mathematical rules like cumulative advantage and preferential attachment. Peer review doesn't reset inequality, it inherits it. Essential scientific labor often disappears because it doesn't generate "credit." Archives and citations decide what history remembers, and what it forgets. Delayed recognition isn't neutral; in cumulative systems, timing is everything. Where we cite, credit, and preserve work today shapes tomorrow's history. Even small acts of recognition matter, because they compound. 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Music: Shopping with Mom by Gabrielle Birchak. All other music is public domain and has no Copyright and no rights reserved. Until next time, carpe diem!

In this Flashcard Friday episode of Math! Science! History!®, host Gabrielle Birchak celebrates Women's History Month and Podcasthon by spotlighting Dr. Yvonne Sylvain, Haiti's first female physician. Born in 1907 into a family of intellectuals and resistance fighters, Dr. Sylvain shattered barriers to become a pioneer in obstetrics, gynecology, and cancer screening. Her story reveals a Haiti rarely seen in today's headlines: a nation rich in brilliance, where educated professionals built real systems of care, and where political instability repeatedly threatened to dismantle them. This episode is paired with a companion interview with Angie Maldonado, founder of Espwa Means Hope, a U.S.-based 501(c)(3) nonprofit working in rural Haiti to empower families through maternal health care, education, and job creation. 'What the Doctor Ordered': 3 Things You'll Learn 1. Haiti Has Always Had Brilliant Builders, Not Just Crises Dr. Sylvain's life dismantles the narrative that Haiti has always been defined by instability. She attended medical school, trained at Columbia University, became a medical professor, and introduced cervical cancer screening via the Pap smear to Haiti, all in an era when women were rarely admitted to medical schools anywhere in the world. 2. Maternal Health Is the Foundation of a Functioning Society Sylvain specialized in obstetrics and gynecology because she understood that healthy pregnancies and preventive women's health care are not extras, they are the biological and social foundation of generational continuity. Her advocacy for deep X-ray, radium treatment, and cancer screening in Haiti was ahead of her time. 3. Political Disruption Doesn't Destroy Expertise, It Just Keeps Interrupting It From the U.S. occupation of Haiti to the Duvalier dictatorship, Dr. Sylvain's career was repeatedly shaped by forces outside medicine. She worked with the WHO, consulted across Africa and Central America, and still returned to lay the groundwork for Haiti's Frères Community Hospital. Her story is a masterclass in professional persistence under adverse conditions. Related Episodes 🎙️ Listen to Gabrielle's companion interview with Angie Maldonado, founder of Espwa Means Hope, available in your podcast feed. To donate to Espwa Means Hope, please visit https://www.EspwaMeansHopeHaiti.org  🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h  🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? 🔗 Explore more on our website: mathsciencehistory.com ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. On Matters of Consequence by Lloyd RodgersSacred Garden by Guilherme Bernardes from Pixabay Unworthy by Guilherme Bernardes from Pixabay Until next time, carpe diem!  

She looked at starlight and said, I can organize that, and then she did! For Women's History Month, host Gabrielle Birchak profiles Annie Jump Cannon (1863–1941), the American astronomer who took a chaotic universe and filed it into something the world could actually study. Cannon was one of the Harvard Computers, a group of women hired at Harvard College Observatory to analyze photographic glass plates of the night sky, and she became the fastest, most prolific stellar classifier in history. Over her lifetime, she manually classified over 350,000 stars, more than any person before or since. In this episode, Gabrielle breaks down the Harvard Spectral Classification System, OBAFGKM, the sequence Cannon refined and that astronomers worldwide still use today. You'll learn what each letter means, what colors and temperatures they represent, where our own sun sits in the sequence (spoiler: it's a G2 star), and why Cannon's seemingly quiet classification work was actually one of the most powerful scientific acts of the early twentieth century. Classification, Gabrielle argues, isn't boring, it's the infrastructure that turned starlight into data and beautiful objects into the science of astrophysics. This episode also reflects on the human side of Cannon's story: the fact that she was nearly deaf for most of her career, that she was a suffragist, that she produced one of the most monumental data catalogs in scientific history, the nine-volume Henry Draper Catalogue, and that despite her extraordinary achievements, her system was named the Harvard Classification System, not the Cannon System. Her work endured. Her system stayed. That's the real legacy. Key Topics Covered: Who Annie Jump Cannon was and why she matters for Women's History Month The Harvard Computers and their role at Harvard College Observatory The OBAFGKM stellar spectral classification sequence, explained color by color and temperature by temperature The Henry Draper Catalogue: 225,300 stars classified across nine volumes, 1918–1924 Why classification isn't clerical work, it's the foundation of science Cannon's recognition, awards, and the Annie Jump Cannon Award, still given annually by the American Astronomical Society FEMINIST MNEMONIC (GABRIELLE'S VERSION) Obviously Bold, A Feminist Generation Keeps Marching. O – B – A – F – G – K – M RESOURCES & LINKS About Annie Jump Cannon Annie Jump Cannon Biography, National Women's History Museum Annie Jump Cannon: Star Classifier, Sky & Telescope Annie Jump Cannon, Space.com The Harvard Computers Project PHaEDRA: Transcribing the Work of the Harvard Computers, Smithsonian Digital Volunteers The Henry Draper Catalogue The Henry Draper Catalogue, Internet Archive (original volumes, free) Stellar Classification Harvard Spectral Classification, Annie Jump Cannon and the Creation of Stellar Classification (Princeton Astronomy) The Annie Jump Cannon Award Annie Jump Cannon Award in Astronomy, American Astronomical Society 2025 Recipient: Maya Fishbach (University of Toronto), gravitational-wave astrophysics & cosmology 2024 Recipient: Jennifer Bergner (UC Berkeley), astrochemistry and planetary formation Recommended Reading The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars by Dava Sobel, Penguin Random House | Amazon 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers. Calm Piano - by Breakz Studios from Pixabay   Until next time, carpe diem!

It's Podcasthon Week! In this special Women's History Month and Podcasthon episode of Math! Science! History!, I Gabrielle Birchak interviews Angie Maldonado, founder of Espwa Means Hope, a U.S.-based 501(c)(3) nonprofit working in rural, mountainous Haiti. Angie shares the story that sparked Espwa's mission, the stark realities behind maternal and infant mortality, and what "progress" looks like when the goal is as fundamental as keeping mothers and babies alive. You will hear how Espwa built programs around what the community needed, from mobile prenatal education and nutrition support to job creation through a women-led sewing program, and why their "First 1,000 Days" model focuses on nutrition and learning from pregnancy through age two. Angie also explains the current barriers to sustaining healthcare and education in Haiti, especially the impact of gang violence and instability, and how people outside Haiti can make tangible differences through monthly giving. Support Espwa Means Hope: EspwaMeansHopeHaiti.org For more info on Podcasthon, please visit: Podcasthon.org 🔗 Explore more on our website: mathsciencehistory.com   🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers All music from Pixabay is public domain Music by Harmony of Heaven from Pixabay Music by Yurii Suprunenko from Pixabay Music by Clavier Clavier from Pixabay Music by Yurii Suprunenko from Pixabay Music by Universfield from Pixabay Until next time, carpe diem!

Science fiction does not need to predict the future to matter. It matters because it trains the mind. In this Flashcards Friday episode, Gabrielle Birchak uses four unforgettable Star Trek moments to show how stories can pressure-test ideas, preview consequences, and build shared language that helps real science move faster and more responsibly. From the chaos of "Spock's Brain" to the furry avalanche of "The Trouble with Tribbles," and a hopeful landing in "Darmok," this episode treats science fiction as a practical tool for scientific thinking, not a guilty pleasure. Three things you will learn 1) Stress testing without the damage You will learn how science fiction creates extreme scenarios that expose weak points in systems before those weak points show up in real life, using "Spock's Brain" as the ridiculous and memorable example. 2) Consequences that compound You will learn why consequences often begin as "harmless" variables, and how "The Trouble with Tribbles" and "Genesis" demonstrate cascading failures in two different emotional registers. 3) Why language is scientific infrastructure You will learn how shared metaphors and shared reference points help teams coordinate and innovate, and why "Darmok" is one of the best stories ever told about meaning, not just words. 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h   🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Until next time, carpe diem!

In this episode, I tell the story of Mari Wolf, who wrote sharp, unsettling science fiction in the early 1950s while also working in Computing at Jet Propulsion Laboratory. Her life sits at the intersection of math, imagination, and a Los Angeles culture that treated the future as something you could sketch, test, and argue about late into the night. We follow her through the worlds that shaped her: the lab, the clubs, and the Mojave. We trace her connection to the Pacific Rocket Society, the fan community of the Los Angeles Science Fantasy Society, and the stories she published under her pen name, including the ones you can still read today. This episode also pushes back on a familiar historical habit: when a woman builds a body of creative work, institutions too often describe it as a "hobby." Mari Wolf was not a hobbyist. She was an author, and her work deserves to be treated like the serious, ambitious craft that it was. Three things you will learn When imagination becomes engineering - You will hear how mid-century Southern California created a rare ecosystem where rockets, labs, and speculative writing fed each other. A writer's life hidden in plain sight - You will learn how fandom, magazines, and local clubs preserved details that formal histories often skip. Where to read her work today - You will get a practical reading list, including where to find her public-domain stories and the fanzine appearance of "Prejudice." Links to resources ·         JPL Archives feature on Mari Graham and her science fiction writing. ·         Free public-domain Mari Wolf stories (Project Gutenberg author page). ·         "Prejudice" in Destiny IX (Winter 1953–54) table of contents and scan access. ·         The Encyclopedia of Science Fiction entry on Mari Wolf. 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Forever and a Day by Playlistons from Pixabay Leave it to Me by Brian Welbourne Raw Vintage Rockabilly by Johnny Hoeve Traveling and Discovering by Musinova from Pixabay Marching to Mars SFX by Twisted Sound from Pixabay Until next time, carpe diem!

How does knowledge survive when libraries burn, devices are seized, and archives come under threat? In this Flashcards Friday episode of Math! Science! History!, Gabrielle Birchak takes a closer look at what it actually means to preserve knowledge in the present moment. Using three short flashcards, this episode explores redundancy, cloud storage, and practical threat modeling for scholars, journalists, and anyone responsible for research or records. From ancient libraries to modern reporting, this episode shows why preservation is not passive. It is an active, deliberate practice. What You'll Learn Redundancy Beats Regret – Why preservation works best as a system, not a single location, and how multiple copies in multiple places reduce the risk of total loss. The Cloud Is Helpful, Not Magical – How cloud storage improves access while still requiring planning for outages, lockouts, and long-term durability. Threat Modeling for Ordinary Work – How scholars and journalists can think realistically about loss, seizure, and disruption, and reduce risk without turning research into secrecy. Resources & Further Reading Freedom of the Press Foundation – Digital Security & Source Protection https://freedom.press/ SecureDrop (for confidential submissions and journalism workflows) https://securedrop.org/ Reporters Committee for Freedom of the Press https://www.rcfp.org/ Explore more on our website: mathsciencehistory.com To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Until next time, carpe diem!

What does it take to preserve knowledge when libraries burn, records disappear, and history itself is under threat? In this episode of Math! Science! History!, Gabrielle Birchak takes a closer look at the life and work of Adolphe Rome, a meticulous Belgian historian of science whose devotion to ancient mathematics and astronomy reshaped how we understand figures like Ptolemy, Hypatia, and Theon of Alexandria. Spanning from the destruction of the Library of Alexandria to modern data-rescue movements, this episode traces the fragile chain of scientific preservation. It is a story about persistence, philology, and the individuals who quietly ensure that knowledge survives political upheaval, war, and time itself. What You Will Learn in This Episode When Knowledge Is at Risk – Understand how moments of political instability, from ancient Alexandria to the modern United States, have repeatedly threatened scientific records, and how archivists, historians, and scholars have responded. How Ancient Mathematics Is Reconstructed – Discover how Adolphe Rome used linguistic analysis, statistical word usage, and dialect comparison to study ancient mathematical texts like Ptolemy's Almagest, even when original sources no longer existed. Why One Historian Still Matters - Learn how Rome's work survived censorship, war, and the destruction of his own research, and how his methods influenced later historians such as Wilbur Knorr and continue to shape the history of science today. ☕ Support the Show: Coffee!! PayPal 🔗 Resources & Further Reading Ptolemy, Almagest (overview): https://plato.stanford.edu/entries/ptolemy Hypatia of Alexandria (historical context): https://a.co/d/g3OuP9h Wilbur Knorr, Textual Studies in Ancient and Medieval Geometry: https://press.princeton.edu/books/paperback/9780691025979/textual-studies-in-ancient-and-medieval-geometry History of Science Society and Osiris journal: https://hssonline.org/publications/osiris 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h  🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Jingle Synth 80s by Fabien Roch from Pixabay Cinematic Ambient Feeling by music_for_video from Pixabay Army Marching Steps by Alexander Jauk from Pixabay Apathias (Dark Ambient) by Vlad Bakutov from Pixabay Dark Hero by u_5gcdffq7mb from Pixabay From Page to Practice by Bryan Teoh – Free PD music Until next time, carpe diem!  

A clean success story is rarely the whole story. In this Flashcard Friday episode of Math! Science! History!, Gabrielle Birchak offers a simple method for spotting the people who made breakthroughs possible but did not become the headline. In the Margins episode gives you three practical questions you can use on any science story to find hidden contributors in author lists, acknowledgments, lab records, and patent filings. Save this episode and use it as your listening companion heading into Women's History Month. What you'll learn (because the footnotes have feelings) 1.      How to spot hidden contributors quickly by asking who touched the evidence, who did the work, and who kept the record. 2.      Where credit actually shows up in science writing, including author order, acknowledgments, methods sections, and contributor role statements. 3.      How the "simple story" gets rewarded and how that reward system can hide women's contributions. Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  Explore more on our website: mathsciencehistory.com ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. On Matters of Consequence from The Little Prince by Lloyd Rodgers Until next time, carpe diem!

In this episode of Math! Science! History!, Gabrielle Birchak traces the paper trails behind Black women inventors whose ideas reshaped ordinary life, from laundry tools and home design to security systems and medical devices. You will hear how patents, assignments, licensing, and missing records shaped who got credit and who got paid, and why some inventions became household standards while their inventors stayed unfamiliar. This story is about engineering, documentation, and what happens when innovation meets the economics of recognition. What You'll Learn in This Episode Follow the Paper Trail How patents and archives function as evidence, and why the existence of a patent does not guarantee wealth, credit, or commercialization. How ownership can shift through assignments and intermediaries, changing who controls the rights and who benefits financially. How inventions become "invisible" once they become normal, and how race and gender shaped which names survived in popular history. Five Resource Links 1.      Smithsonian Lemelson Center, "Who Invents and Who Gets the Credit?" https://invention.si.edu/invention-stories/who-invents-and-who-gets-credit 2.      National Archives DocsTeach, "Sarah E. Goode's Folding Beds" https://docsteach.org/document/sarah-e-goodes-folding-beds/ 3.      USPTO, "Sights on the Prize" (Patricia Bath) https://www.uspto.gov/learning-and-resources/journeys-innovation/historical-stories/sights-prize 4.      Lemelson-MIT, "Mary Beatrice Davidson Kenner" https://lemelson.mit.edu/resources/mary-beatrice-davidson-kenner 5.      The Woman Inventor - https://archive.org/details/Womaninventor1Smit  🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h  🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd RodgersSarabane by Tomomi Kato from Pixabay Calm Night Jazz Music by Adi Iswanto Soft Jazz by Mircea Iancu from Pixabay Poodle Skirt Swirl by Paul Winter from Pixabay Forever and a Day by Playlist from Pixabay Groovy Getup by Jordan Garner from Pixabay Funk You (Go Funk Yoself) by Ketsa from Free Music Archive Modular Ambient 03 by sscheidl at Pixabay  Until next time, carpe diem!

Self-teaching is not only a way to collect knowledge. It is a life skill that builds self-reliance, career mobility, and mental flexibility over time. In this Flashcard Friday episode, Gabrielle explains why lifelong learning supports brain health and communication, how certificates can make your progress visible on LinkedIn, and why stepping outside your comfort zone sometimes means learning hard history, including the ways slavery shaped American systems. Call to action: Follow the show so you do not miss future Flashcard Fridays, share this episode with a friend who loves learning, and leave a review to help more listeners find Math! Science! History! What You'll Learn: A Brain That Stays in Training 1.      How self-teaching builds self-reliance and makes you more adaptable when work and life change. 2.      Why lifelong learning supports brain health and aging, including neuroplasticity and cognitive reserve. 3.      How learning hard history strengthens judgment and communication, and where to start with reputable books and long-form reading. Resources Brain, aging, and learning ·         Neuroplasticity persists across life ·         Later-life learning is associated with better cognitive function over time (longitudinal study) ·         Alzheimer's Association guide on keeping the brain mentally active. LinkedIn certificates ·         How to add LinkedIn Learning certificates of completion to your profile Stepping outside your comfort zone: slavery and systems ·         Edward E. Baptist, The Half Has Never Been Told ·         Ira Berlin, Many Thousands Gone ·         Ta-Nehisi Coates, "The Case for Reparations" 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? 🔗 Explore more on our website: mathsciencehistory.com ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Until next time, carpe diem!

Benjamin Banneker used math, astronomy, and publication to claim space in a country that tried to deny him authority. This episode follows his path from a Maryland farm to almanacs that carried his name across the young republic, and to the 1791 boundary survey work that helped set the lines of the new federal district. What You'll Learn 1.      How Banneker became an astronomer without a formal scientific education and why an ephemeris inside an almanac mattered so much in the late 1700s. 2.      What Banneker actually did in 1791 during Andrew Ellicott's boundary work, and why later stories about his role in Washington's design grew beyond the record. 3.      How publishing changed his life by carrying his calculations, voice, and reputation into a wider public, starting with the 1792 almanac (issued in 1791) and continuing through 1797. Resources and further reading ·         National Park Service: Benjamin Banneker and the boundary survey (Jones Point) https://www.nps.gov/articles/000/nama-notebook-benjamin-banneker.htm ·         Library of Congress: Banneker's 1792 almanac record (issued 1791) https://www.loc.gov/item/98650590/ ·         Encyclopedia Virginia: Banneker's letter to Jefferson (Aug. 19, 1791) https://encyclopediavirginia.org/primary-documents/letter-from-benjamin-banneker-to-thomas-jefferson-august-19-1791/ ·         Library of Congress: Jefferson's reply to Banneker (Aug. 30, 1791) https://www.loc.gov/item/mcc.028/ ·         Smithsonian Libraries & Archives: context on Banneker and later myths https://blog.library.si.edu/blog/2017/02/15/americas-first-known-african-american-scientist-mathematician/ ·         American Philosophical Society: Ellicott, Banneker, and boundary-survey context https://www.amphilsoc.org/news/surveyors-andrew-ellicott-benjamin-banneker-and-boundaries-nation-and-knowledge ·         PBS: Banneker overview (includes Ellicott lending books/tools context) https://www.pbs.org/wgbh/aia/part2/2p84.html ·         Smithsonian Magazine: discussion of Banneker's almanacs and cultural impact https://www.smithsonianmag.com/blogs/smithsonian-books/2024/01/04/benjamin-bannekers-almanac-of-strange-dreams/ 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Ambient Documentary by Vira Miller at Pixabay Hopeful by Maarten Schellekens at Pixabay Nature Documentary by James Carter at Pixabay Smooth Piano by Universefield at Pixabay   Until next time, carpe diem!

Ever lose a great idea right when you need it, then wish your brain had a "save" button? This episode gives you one. In this Flashcards Friday toolkit, I share three quick prompts you can use to think more clearly, learn faster, and troubleshoot problems without spiraling. You will leave with a simple loop you can apply to school, work, and real-life conversations. What You'll Learn The System Card: How to name the system, the key variables, and the constraints, so your thinking has structure. The Cold Recall Card: How to practice producing your message without notes, especially for presentations, interviews, and asking for a raise. The Fuzzy Spot Card: How to troubleshoot like an engineer by locating the exact point things break, then making the smallest repair that changes the outcome. Resources https://pubmed.ncbi.nlm.nih.gov/16507066/ https://bjorklab.psych.ucla.edu/wp-content/uploads/sites/13/2016/04/EBjork_RBjork_2011.pdf https://journals.sagepub.com/doi/abs/10.1177/1529100612453266 https://pmc.ncbi.nlm.nih.gov/articles/PMC4713033/ https://www.wsj.com/science/biology/want-to-remember-more-make-more-mistakes-2d195a6f https://www.lifescied.org/doi/10.1187/cbe.20-12-0289 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  Until next time, carpe diem!  

A camera was not always needed to "capture" a thought. In the late Victorian era, a few experimenters pressed photographic plates to foreheads and claimed the developed marks were images of the mind. In this episode of Math! Science! History!, we trace the strange rise of "thought photography," why it sounded plausible in an age of new invisible forces, and what these experiments reveal about technology, interpretation, and scientific method. What Develops in the Dark What you'll learn in this episode: 1.      Who tried to photograph thoughts - How Hippolyte Baraduc and Louis Darget used photographic plates as instruments, then read the resulting traces as evidence of emotion, soul, or mental imagery. 2.      Why the idea felt scientific at the time - How late-19th-century discoveries made invisible phenomena feel newly recordable, especially after X-rays reshaped what "photography" could mean. 3.      What can go wrong (and right!) when images look like proof - Why noisy signals, chemical artifacts, and human pattern-finding can produce results that feel conclusive long before they are. Sources "Psychicones: Visual Traces of the Soul in Late Nineteenth-Century Fluidic Photography" (Nicolas Pethes, Medical History, 2016) "Imaging Inscape: The Human Soul (1913)" (The Public Domain Review on Baraduc's methods and plates) "Discovery of the X-ray: A New Kind of Invisible Light" (National Museum of Health and Medicine) 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  Until next time, carpe diem!

What do you say when someone doesn't trust science? In this Flashcards Friday episode, I share practical, evidence-based ways to talk about science with skeptics, without attacking, shaming, or arguing past each other. This episode focuses on how evidence actually works, why people reject scientific claims, and how scientists and science communicators can lower defensiveness by explaining methods, uncertainty, and values clearly. If you care about public trust in science, this episode offers tools you can use immediately. Resources & Further Reading National Academies of Sciences — Communicating Science Effectively Pew Research Center — https://www.pewresearch.org Alan Alda Center for Communicating Science https://aldacenter.org Science History Institute — Evidence, experiments, and scientific methods https://www.sciencehistory.org Explore more on our website: mathsciencehistory.com To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h  Enjoying the Podcast? 🔗 Explore more on our website: mathsciencehistory.com upport the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Until next time, carpe diem!

Episode Overview In the 1660s, two towering thinkers, Thomas Hobbes and Robert Boyle, clashed over a strange new machine: the air pump. What looked like a technical disagreement about air and vacuum quickly became something much larger. This episode examines how Boyle's experimental approach and Hobbes's philosophical skepticism shaped the foundations of modern science, and why their dispute still echoes today in debates over expertise, public trust, and the role of scientists in public policy. From the invention of "virtual witnessing" to modern struggles with misinformation, this is a story about how facts become believable, and what happens when trust breaks down. What You'll Learn Why experiments alone do not create trust - You'll learn how Boyle's air-pump experiments required not just data, but carefully crafted descriptions and shared norms to make results credible beyond the room where they occurred. What Hobbes was really worried about - This episode explains why Hobbes objected to experimental science, not because he rejected evidence, but because he feared the political and social consequences of letting small groups "certify reality." How this 17th-century dispute explains modern science debates - From climate models to medical guidelines, you'll see how today's arguments over evidence, institutions, and public policy replay the same structural tensions Hobbes and Boyle exposed centuries ago. 📚 Resources & Further Reading Leviathan and the Air‑Pump - Steven Shapin & Simon Schaffer New Experiments Physico‑Mechanicall, Touching the Spring of the Air - Robert Boyle Royal Society - History & motto Nullius in verba Pew Research Center - Public trust in scientists and policy debates (Nov. 2024 report) Shapin, Steven. "Pump and Circumstance: Robert Boyle's Literary Technology." Social Studies of Science (1984) 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h   🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Smooth Piano for Documentaries by Universefield from Pixabay Background Royalty Free Music - Emotional Piano by NotAIGenerated from Pixabay Ambiant Clean Piano by Alfarran Basalim from Pixabay Autumn Vibes by Clavier-Music from Pixabay Now You Are Here by Sergey Cheremisinov from Pixabay   Until next time, carpe diem!  

The Sun Dagger on Fajada Butte in Chaco Canyon is a powerful reminder that understanding is built slowly. Long before textbooks and lab reports, careful observers tracked repeating patterns in light and season, and a community carried that knowledge forward. In today's Flashcards episode, we use the Sun Dagger as a practical thinking tool for modern life: watch first, listen second, explain last. It is a simple sequence that improves scientific judgment, reduces snap conclusions, and makes our relationships more accurate and humane. Three Flashcards from a Stone Calendar Watch first: patterns beat snapshots. - You will learn how to train yourself to notice what repeats over time, instead of overreacting to one data point, one headline, or one tense moment. Listen second: knowledge is a group project. - You will learn why strong conclusions often require other perspectives, conflicting results, and context you cannot access alone. Explain last: meaning should emerge, not be forced. - You will learn how delaying your explanation can reduce error, lower arrogance, and prevent real harm in science and everyday decisions. Links to Resources National Park Service overview of Fajada Butte and the Sun Dagger NPS article on archeoastronomy and the Sun Dagger concept 🔗 Explore more on our website: mathsciencehistory.com 📚 To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h  🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? 🔗 Explore more on our website: mathsciencehistory.com  ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Until next time, carpe diem!

More than a thousand years ago, the Ancestral Puebloans built a working solar calendar without clocks, written mathematics, or mechanical instruments. Etched into stone at Fajada Butte in Chaco Canyon, the Sun Dagger used light and shadow to track solstices and equinoxes with remarkable precision. In this episode, we explore how the Sun Dagger worked, why its spiral design mattered, and what it reveals about community, long-term observation, and scientific thinking before modern technology. This is a story about astronomy, patience, and the shared human effort to understand time by watching the natural world carefully and collectively. Three Take-aways Watching the Sky: How the Sun Dagger Actually Worked – Learn how shifting sunlight, stone slabs, and spiral petroglyphs combined to create a precise solar calendar that could show not only when a solstice arrived, but how close the community was to it. Science Before Equations: Observation as Knowledge – Discover why the Sun Dagger is an example of observational science, built through repeated watching, long-term pattern recognition, and intergenerational knowledge rather than written formulas or instruments. Time as Community: Why Calendars Were Shared, Not Personal – Understand how tracking time was not an individual activity but a communal one, guiding ceremonies, gatherings, and social coordination while reinforcing shared responsibility and connection to the land. Resources & Further Reading National Park Service – Chaco Culture National Historical Park https://www.nps.gov/chcu High Altitude Observatory (NCAR) – The Sun Dagger of Fajada Butte https://www2.hao.ucar.edu/education/prehistoric-southwest/sun-dagger Sofaer, Anna, David H. Sinclair, and Ray A. Doggett. "A Unique Solar Marking Construct." Science 206, no. 4416 (1979): 283–291. https://www.jstor.org/stable/1749388 Aveni, Anthony F. Skywatchers. University of Texas Press. Krupp, E. C. Echoes of the Ancient Skies. Oxford University Press. Explore more on our website: mathsciencehistory.com To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Old Tolchaco by Arizona Guide from Pixabay A Tribute to Native Americans by Andrea Good from Pixabay Until next time, carpe diem!

If you enjoy the hidden science behind everyday life, leave a review, subscribe to the podcast and share this episode with someone who is shoveling snow this winter. Shoveling snow looks simple, but it is one of the most punishing everyday tasks your body can perform. In this Flashcard Friday episode, we explore the physics hiding in plain sight every winter, from why lifting snow feels brutal to why wet snow seems impossibly heavy and why shovel design matters more than most people realize. This is not about grit or toughness. It is about gravity, force vectors, density, and torque, all acting on a human spine that was never designed to move heavy loads at arm's length. By the end of the episode, you will understand exactly why your back complains so loudly, and why physics is to blame. Three big scoops: Why Gravity Is Not Your Friend - Why lifting snow is far harder than pushing it, and how vertical forces and spinal torque make even small loads feel overwhelming. Why Wet Snow Is a Secret Weightlifter - How density transforms harmless-looking snow into a back-breaking mass, and why the same shovel can weigh several times more depending on snow type. Why Your Shovel Is Working Against You - How short shovels increase lever arms, magnify torque, and place unnecessary strain on your lower back, and why ergonomic designs actually make physical sense. Helpful Resources ·         NASA: Forces and Motion Basics – https://www1.grc.nasa.gov/beginners-guide-to-aeronautics/newtons-laws-of-motion/ Khan Academy: Torque and Rotational Motion – https://www.khanacademy.org/science/physics/torque-angular-momentum NIH: Back Injury Risk and Lifting Mechanics - https://pmc.ncbi.nlm.nih.gov/articles/PMC8720246 Explore more on our website: mathsciencehistory.com To buy my book Hypatia: The Sum of Her Life on Amazon, visit https://a.co/d/g3OuP9h 🌍 Let's Connect!Bluesky: https://bsky.app/profile/mathsciencehistory.bsky.social Instagram: https://www.instagram.com/math.science.history Facebook: https://www.facebook.com/mathsciencehistory  LinkedIn: https://www.linkedin.com/company/math-science-history/  Threads: https://www.threads.com/@math.science.history  Mastodon: https://mathsciencehistory@mathstodon.xyz YouTube: Math! Science! History! - YouTube Pinterest: https://www.pinterest.com/mathsciencehistory  🎧 Enjoying the Podcast? 🔗 Explore more on our website: mathsciencehistory.com Do you want the ad-free podcast?! Visit us at Supercast at www.MathScienceHistory.Supercast.com - pick a tier, and immerse yourself without the ads! ☕ Support the Show: Coffee!! PayPal Leave a review! It helps more people discover the show! Share this episode with friends & fellow history buffs! Subscribe on your favorite podcast platform Check out our merch: https://www.mathsciencehistory.com/the-store Music: All music is public domain and has no Copyright and no rights reserved. Selections from The Little Prince by Lloyd Rodgers Until next time, carpe diem!