Episodios

  • Beatrice Kenner and Midred Smith: Sister Inventors

    Beatrice Kenner and Midred Smith: Sister Inventors
    Jul 30 2025

    Beatrice Kenner’s inventions were focused largely on making life easier and less annoying for herself and the people around her, including period products. Mildred Smith’s invention was about family, and it grew from her disability after she developed multiple sclerosis.

    Research:

    • “Deaths.” Evening Star. 11/27/1956. https://www.newspapers.com/image/869672410/
    • “Mildred E. Smith.” Obituary. Washington Post. 8/19/1993. https://www.washingtonpost.com/archive/local/1993/08/19/n-hugh-mcdiarmid-dies-at-86/beab0fdf-9aec-4ac1-bd0a-cfcef223f1fa/
    • Byram, W.F. and R.P. Phronebarger. “Current Supply System for Electric Railways.” U.S. Patent 1,134,871. 4/6/1915.
    • Coren, Ashleigh, et al. “The Many Inventions of Beatrice Kenner.” Side Door. Smithsonian Institution. 4/6/2022. https://www.si.edu/sidedoor/many-inventions-beatrice-kenner
    • Davidson, S.N. “Pants Presser.” U.S. Patent 1,088,329.
    • Hambrick, Arlene. “Biographies of Black Female Scientists and Inventors: An Interdisciplinary Middle School Curriculum Guide. ‘What Shall I Tell My Children Who Are Black?’” Graduate School of the University of Massachusetts. Doctor of Education Dissertation. 1993. DOI: 10.7275/14756666
    • Hodal, Kate. “Cloth, cow dung, cups: how the world's women manage their periods.” The Guardian. 3/14/2019. https://www.theguardian.com/global-development/2019/apr/13/cloth-cow-dung-cups-how-the-worlds-women-manage-their-periods
    • Jeffrey, Laura S. “Amazing American Inventors of the 20th Century.” Enslow Publishers, Inc.. 1996, 2013.
    • Kenner, Mary Beatrice. “Busch Traffic.” Daily Press. 11/12/1984. https://www.newspapers.com/image/234268212/
    • Kijowska, Wiktoria. “Sanitary suspenders to Mooncups: a brief history of menstrual products.” Victoria and Albert Museum. https://www.vam.ac.uk/articles/a-brief-history-of-menstrual-products
    • King, Helen. “From rags and pads to the sanitary apron: a brief history of period products.” The Conversation. 4/25/2023. https://theconversation.com/from-rags-and-pads-to-the-sanitary-apron-a-brief-history-of-period-products-203451
    • O’Sullivan, Joan. “Disease Victim Creates Game.” The Orange Leader. 10/8/1982. https://www.newspapers.com/image/1008083420/
    • Ravey, Julia and Dr. Ella Hubber. “Unstoppable: Mary Beatrice Davidson Kenner.” Unstoppable. BBC. 6/17/2024. https://www.bbc.co.uk/sounds/play/w3ct5rmq
    • Sluby, Patricia Carter. “African American Brilliance.” Tar heel junior historian [2006 : fall, v.46 : no.1]. https://digital.ncdcr.gov/Documents/Detail/tar-heel-junior-historian-2006-fall-v.46-no.1/3700440?item=5369779
    • Smith, Mildred E. “Family Relationships Card Game.” U.S. Patent 4,230,321. 10/28/1980. https://ppubs.uspto.gov/api/pdf/downloadPdf/4230321
    • Tsjeng, Zing. “Forgotten Women: The Scientists.” Cassell Illustrated. 2018.
    • Tsjeng, Zing. “The Forgotten Black Woman Inventor Who Revolutionized Menstrual Pads.” Vice. 3/8/2018. https://www.vice.com/en/article/mary-beatrice-davidson-kenner-sanitary-belt/
    • Washington Afro American. “Jabbo Kenner Leads Boys to Clean Life.” 11/15/1947. https://www.newspapers.com/image/1042304374/
    • Washington Daily News. “Mrs. Kenner Is In Clover.” 6/2/1958. https://www.newspapers.com/image/1042178951/

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    41 m
  • Eadweard Muybridge

    Eadweard Muybridge
    Jul 28 2025

    The invention Eadweard Muybridge is known for is his zoopraxiscope, an early movie technology. But he also innovated in photography, had some other inventions, and was the defendant in a murder trial.

    Research:

    • Ball, Edward. “The Inventor and the Tycoon: A Gilded Age Murder and the Birth of Moving Pictures.” Doubleday. 2013.
    • Cohen, Paula Marantz. “Flickering Like Photography.” Times Literary Supplement. https://www.the-tls.com/lives/biography/scoundrel-harry-larkyns-pitiless-killing-photographer-eadweard-muybridge-rebecca-gowers-review
    • “A Fast Trotter Caught by a Skillful Artist on the Fly.” The Lamar Republican. May 29, 1873. https://www.newspapers.com/image/666936878/?match=1&terms=occident%20Muybridge%20
    • “Madness and Murder.” Whidbey Island Center for the Arts. https://www.wicaonline.org/blog/2020/2/2/1rmzzg46joal5ajvy4tesnui7v314p
    • “A Startling Tragedy.” Los Angeles Herald. October 22, 1874. https://cdnc.ucr.edu/?a=d&d=LAH18741022.2.15&e=-------en--20--1--txt-txIN--------
    • The Editors of Encyclopaedia Britannica. "Eadweard Muybridge". Encyclopedia Britannica, 23 Jun. 2025, https://www.britannica.com/biography/Eadweard-Muybridge
    • The Editors of Encyclopaedia Britannica. "Leland Stanford". Encyclopedia Britannica, 17 Jun. 2025, https://www.britannica.com/biography/Leland-Stanford
    • Higgins, Charlotte. “Eadweard Muybridge's motion towards Tate Britain.” The Guardian. April 27, 2010. https://www.theguardian.com/artanddesign/2010/apr/27/eadweard-muybridge-tate-britain-motion-studies
    • “The Last Call.” San Francisco Examiner. Jul 19, 1875. https://www.newspapers.com/image/457599375/?match=1&terms=Harry%20Larkyns
    • Shimamura, Arthur P. “Muybridge in Motion: Travels in Art, Psychology and Neurology.” History of Photography. 2002. https://doi.org/10.1080/03087298.2002.10443307
    • Muybridge, Eadweard. “Animal Locomotion. An Electro-Photographic Investigation of Consecutive Phases of Animal Movements. Commenced 1872 - Completed 1885. Volume XI, Wild Animals and Birds.” Met Museum. https://www.metmuseum.org/art/collection/search/266431
    • Manjila, S., Singh, G., Alkhachroum, A. M., & Ramos-Estebanez, C. (2015). Understanding Edward Muybridge: historical review of behavioral alterations after a 19th-century head injury and their multifactorial influence on human life and culture. Neurosurgical Focus FOC, 39(1), E4. https://doi.org/10.3171/2015.4.FOCUS15121
    • Prodger, Phillip and Tom Gunning. “Time Stands Still: Muybridge and the Instantaneous Photography Movement.” Iris & B. Gerald Cantor Center for Visual Arts at Stanford University, 2003
    • Solnit, Rebecca. “River of Shadows: Eadweard Muybridge and the Technological Wild West.” Viking, 2003.
    • Wolf, Byron. “Eadweard Muybridge’s Secret Cloud Collection.” Places Journal. September 2017. https://placesjournal.org/article/eadweard-muybridges-secret-cloud-collection/?cn-reloaded=1

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    39 m
  • SYMHC Classics: Mary Winston Jackson

    SYMHC Classics: Mary Winston Jackson
    Jul 26 2025

    This 2019 episode covers Mary Winston Jackson, best known as the first black woman to become an engineer at NASA. But she also worked to clear the way for other underrepresented people at NASA.

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    30 m
  • Behind the Scenes Minis: Good News, Bad News

    Behind the Scenes Minis: Good News, Bad News
    Jul 25 2025

    Tracy talks about current events and how they relate to the show and education. She and Holly also talk about the people who work in national parks and historical sites.

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    26 m
  • Unearthed! in July 2025, Part 2

    Unearthed! in July 2025, Part 2
    Jul 23 2025
    This edition of Unearthed! continues, this time covering the mixed items we call potpourri, shipwrecks, edibles and potables, books and letters, and exhumations. Research: Agencia Brasil. “Cave Paintings Discovered in Rio de Janiero Park.” 4/13/2025. https://agenciabrasil.ebc.com.br/en/educacao/noticia/2025-04/cave-paintings-discovered-rio-de-janeiro-parkAnderson, R. L., Salvemini, F., Avdeev, M., & Luzin, V. (2025). An African Art Re-Discovered: New Revelations on Sword Manufacture in Dahomey. Heritage, 8(2), 62. https://doi.org/10.3390/heritage8020062Archaeology Magazine. “5,000-year-old Bread Buried in Bronze Age House.” 6/4/2025. https://archaeology.org/news/2025/06/04/5000-year-old-bread-buried-in-bronze-age-house/Archaeology Magazine. “Fried Thrush Was a Popular Street Food.” 6/6/2025. https://archaeology.org/news/2025/06/06/fried-thrush-was-a-popular-roman-street-food/Arnold, Paul. “Dentist may have solved 500-year-old mystery in da Vinci's iconic Vitruvian Man.” Phys.org. 7/2/2025. https://phys.org/news/2025-07-dentist-year-mystery-da-vinci.htmlAustralian Nuclear Science and Technology Organisation (ANSTO). “New revelations on sword manufacture in 19th-century Dahomey, West Africa.” Phys.org. 5/11/2025. https://phys.org/news/2025-05-revelations-sword-19th-century-dahomey.htmlBlack, Jo. “Cut-price Magna Carta 'copy' now believed genuine.” BBC. 5/15/2025. https://www.bbc.com/news/articles/cm23zjknre7oBoucher, Brian. “Antique Condom on View at the Rijksmuseum Riles Christian Group.” ArtNet. 6/26/2025. https://news.artnet.com/art-world/antique-condom-rijksmuseum-christian-protest-2661519Brown, Mark. “Rare wall paintings found in Cumbria show tastes of well-off Tudors.” The Guardian. 4/4/2025. https://www.theguardian.com/uk-news/2025/apr/04/rare-wall-paintings-found-in-cumbria-show-tastes-of-well-off-tudorsCarvajal, Guillermo. “The Oldest Vanilla Pod in Europe, Used in Alchemical Experiments, Discovered at Prague Castle.” LBV. 3/31/2025. https://www.labrujulaverde.com/en/2025/03/the-oldest-vanilla-pod-in-europe-used-in-alchemical-experiments-discovered-at-prague-castle/Carvajal, Guillermo. “Thrushes Were the “Fast Food” of Romans in Imperial Cities, Not an Exclusive Delicacy for Banquets.” LBV. 6/3/2025. https://www.labrujulaverde.com/en/2025/06/thrushes-were-the-fast-food-of-romans-in-imperial-cities-not-an-exclusive-delicacy-for-banquets/Carvajal, Guillermo. The Spectacular Tomb of the Ice Prince, a Medieval Child Buried in an Ancient Roman Villa, Frozen for Study.” LBV. 5/25/2025. https://www.labrujulaverde.com/en/2025/05/the-spectacular-tomb-of-the-ice-prince-a-medieval-child-buried-in-an-ancient-roman-villa-frozen-for-study/Chen, Min. “Roman Villa in Spain Yields More Than 4,000 Painted Wall Fragments.” ArtNet. 4/21/2025. https://news.artnet.com/art-world/roman-villa-villajoyosa-wall-fragments-2634055Chen, Min. “These Medieval Manuscripts Were Bound With an Unlikely Animal Hide.” ArtNet. 4/12/2025. https://news.artnet.com/art-world/clairvaux-medieval-manuscripts-sealskin-2630996Chen, Min. “Think Shakespeare Left His Wife? This Newly Discovered Letter Tells a Different Story.” ArtNet. 4/28/2025. https://news.artnet.com/art-world/shakespeare-anne-hathaway-marriage-letter-2636443Chen, Min. “This 6th-Century Bucket Discovered at Sutton Hoo Is More Than It Seems.” ArtNet. 5/22/2025. https://news.artnet.com/art-world/sutton-hoo-bromeswell-bucket-not-bucket-2648124Dartmouth College. “Archaeologists uncover massive 1,000-year-old Native American fields in Northern Michigan that defy limits of farming.” Phys.org. 6/5/2025. https://phys.org/news/2025-06-archaeologists-uncover-massive-year-native.htmlDavis, Josh. “Ancient humans ritually feasted on great bustards as they buried their dead.” Phys.org. 4/17/2025. https://phys.org/news/2025-04-ancient-humans-ritually-feasted-great.htmlDrenon, Brandon. “Tulsa plans $105m in reparations for America's 'hidden' massacre.” BBC. 6/2/2025. https://www.bbc.com/news/articles/c9dqnz37v1woEqual Justice Initiative. “City Announces Reparations for Tulsa Race Massacre.” https://eji.org/news/city-announces-reparations-for-tulsa-race-massacre/“Researchers estimate that early humans began smoking meat to extend its shelf life as long as a million years ago.” 6/3/2025. https://www.eurekalert.org/news-releases/1086138Fox, Jordan. “Anthropologist uncovers the 11,000-year history of avocado domestication.” Phys.org. 6/24/2025. https://phys.org/news/2025-06-anthropologist-uncovers-year-history-avocado.htmlFratsyvir, Anna. “Ukraine grants Poland permission to exhume 1939 war graves in Lviv.” The Kyiv Independent. 6/11/2025. https://kyivindependent.com/ukraine-grants-poland-permission-to-exhume-1939-war-graves-in-lviv/Giuffrida, Angela. “Two near lifesize sculptures found during excavations of Pompeii tomb.” The Guardian. 4/1/2025. https://www.theguardian.com/world/2025/apr/01/...
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    43 m
  • Unearthed! in July 2025, Part 1

    Unearthed! in July 2025, Part 1
    Jul 21 2025
    This installment of Unearthed! starts with lots of updates! And then some art-related unearthings, and a few things at the end that fall under the category of adult content. Research: Agencia Brasil. “Cave Paintings Discovered in Rio de Janiero Park.” 4/13/2025. https://agenciabrasil.ebc.com.br/en/educacao/noticia/2025-04/cave-paintings-discovered-rio-de-janeiro-parkAnderson, R. L., Salvemini, F., Avdeev, M., & Luzin, V. (2025). An African Art Re-Discovered: New Revelations on Sword Manufacture in Dahomey. Heritage, 8(2), 62. https://doi.org/10.3390/heritage8020062Archaeology Magazine. “5,000-year-old Bread Buried in Bronze Age House.” 6/4/2025. https://archaeology.org/news/2025/06/04/5000-year-old-bread-buried-in-bronze-age-house/Archaeology Magazine. “Fried Thrush Was a Popular Street Food.” 6/6/2025. https://archaeology.org/news/2025/06/06/fried-thrush-was-a-popular-roman-street-food/Arnold, Paul. “Dentist may have solved 500-year-old mystery in da Vinci's iconic Vitruvian Man.” Phys.org. 7/2/2025. https://phys.org/news/2025-07-dentist-year-mystery-da-vinci.htmlAustralian Nuclear Science and Technology Organisation (ANSTO). “New revelations on sword manufacture in 19th-century Dahomey, West Africa.” Phys.org. 5/11/2025. https://phys.org/news/2025-05-revelations-sword-19th-century-dahomey.htmlBlack, Jo. “Cut-price Magna Carta 'copy' now believed genuine.” BBC. 5/15/2025. https://www.bbc.com/news/articles/cm23zjknre7oBoucher, Brian. “Antique Condom on View at the Rijksmuseum Riles Christian Group.” ArtNet. 6/26/2025. https://news.artnet.com/art-world/antique-condom-rijksmuseum-christian-protest-2661519Brown, Mark. “Rare wall paintings found in Cumbria show tastes of well-off Tudors.” The Guardian. 4/4/2025. https://www.theguardian.com/uk-news/2025/apr/04/rare-wall-paintings-found-in-cumbria-show-tastes-of-well-off-tudorsCarvajal, Guillermo. “The Oldest Vanilla Pod in Europe, Used in Alchemical Experiments, Discovered at Prague Castle.” LBV. 3/31/2025. https://www.labrujulaverde.com/en/2025/03/the-oldest-vanilla-pod-in-europe-used-in-alchemical-experiments-discovered-at-prague-castle/Carvajal, Guillermo. “Thrushes Were the “Fast Food” of Romans in Imperial Cities, Not an Exclusive Delicacy for Banquets.” LBV. 6/3/2025. https://www.labrujulaverde.com/en/2025/06/thrushes-were-the-fast-food-of-romans-in-imperial-cities-not-an-exclusive-delicacy-for-banquets/Carvajal, Guillermo. The Spectacular Tomb of the Ice Prince, a Medieval Child Buried in an Ancient Roman Villa, Frozen for Study.” LBV. 5/25/2025. https://www.labrujulaverde.com/en/2025/05/the-spectacular-tomb-of-the-ice-prince-a-medieval-child-buried-in-an-ancient-roman-villa-frozen-for-study/Chen, Min. “Roman Villa in Spain Yields More Than 4,000 Painted Wall Fragments.” ArtNet. 4/21/2025. https://news.artnet.com/art-world/roman-villa-villajoyosa-wall-fragments-2634055Chen, Min. “These Medieval Manuscripts Were Bound With an Unlikely Animal Hide.” ArtNet. 4/12/2025. https://news.artnet.com/art-world/clairvaux-medieval-manuscripts-sealskin-2630996Chen, Min. “Think Shakespeare Left His Wife? This Newly Discovered Letter Tells a Different Story.” ArtNet. 4/28/2025. https://news.artnet.com/art-world/shakespeare-anne-hathaway-marriage-letter-2636443Chen, Min. “This 6th-Century Bucket Discovered at Sutton Hoo Is More Than It Seems.” ArtNet. 5/22/2025. https://news.artnet.com/art-world/sutton-hoo-bromeswell-bucket-not-bucket-2648124Dartmouth College. “Archaeologists uncover massive 1,000-year-old Native American fields in Northern Michigan that defy limits of farming.” Phys.org. 6/5/2025. https://phys.org/news/2025-06-archaeologists-uncover-massive-year-native.htmlDavis, Josh. “Ancient humans ritually feasted on great bustards as they buried their dead.” Phys.org. 4/17/2025. https://phys.org/news/2025-04-ancient-humans-ritually-feasted-great.htmlDrenon, Brandon. “Tulsa plans $105m in reparations for America's 'hidden' massacre.” BBC. 6/2/2025. https://www.bbc.com/news/articles/c9dqnz37v1woEqual Justice Initiative. “City Announces Reparations for Tulsa Race Massacre.” https://eji.org/news/city-announces-reparations-for-tulsa-race-massacre/“Researchers estimate that early humans began smoking meat to extend its shelf life as long as a million years ago.” 6/3/2025. https://www.eurekalert.org/news-releases/1086138Fox, Jordan. “Anthropologist uncovers the 11,000-year history of avocado domestication.” Phys.org. 6/24/2025. https://phys.org/news/2025-06-anthropologist-uncovers-year-history-avocado.htmlFratsyvir, Anna. “Ukraine grants Poland permission to exhume 1939 war graves in Lviv.” The Kyiv Independent. 6/11/2025. https://kyivindependent.com/ukraine-grants-poland-permission-to-exhume-1939-war-graves-in-lviv/Giuffrida, Angela. “Two near lifesize sculptures found during excavations of Pompeii tomb.” The Guardian. 4/1/2025. https://www.theguardian.com/world/2025/apr/01...
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    45 m
  • SYMHC Classics: Lady Jane Grey

    SYMHC Classics: Lady Jane Grey
    Jul 19 2025

    This 2017 episode covers a very short time between Edward VI and Mary I when Lady Jane was, at least nominally, Queen of England and Ireland. Whether she had any right to the title is still the subject of dispute.

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    28 m
  • Behind the Scenes Minis: Sewing Basket

    Behind the Scenes Minis: Sewing Basket
    Jul 18 2025

    Holly and Tracy discuss the challenge of enlarging sewing patterns from small diagrams. They also talk about one of Butterick's most popular patterns of all time -- the 1952 walk-away dress.

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    19 m