エピソード

  • John Graunt
    2026/05/04

    John Graunt was a shopkeeper in 17th-century London who followed his own curiosity to a rather grand result. His work gave rise to the fields of demography and epidemiology.

    Research:

    • Berke, Olaf, et al. “Celebration day: 400th birthday of John Graunt, citizen scientist of London.” Environmental Health Review. 63(3): 67-69. 2020. https://doi.org/10.5864/d2020-018
    • Britannica Editors. "John Graunt". Encyclopedia Britannica, 20 Apr. 2025, https://www.britannica.com/biography/John-Graunt
    • Britannica, The Editors of Encyclopaedia. "Sir William Petty." Encyclopedia Britannica, 11 Apr. 2026, https://www.britannica.com/money/William-Petty
    • Clark, Andrew. “Aubrey’s ‘Brief Lives.’” Oxford. Clarendon Press. 1898. https://dn790003.ca.archive.org/0/items/briefliveschiefl01aubruoft/briefliveschiefl01aubruoft.pdf
    • Connor, Henry. “John Graunt F.R.S. (1620-74): The founding father of human demography, epidemiology and vital statistics.” Journal of medical biography 32,1 (2024): 57-69. doi:10.1177/09677720221079826
    • Eschner, Kat. “People Have Been Using Big Data Since the 1600s.” Smithsonian. April 24, 2017. https://www.smithsonianmag.com/smart-news/people-have-been-using-big-data-1600s-180962949/
    • Glass, D.V., et al. “John Graunt and His Natural and Political Observations [and Discussion].” Proceedings of the Royal Society of London. Series B, Biological Sciences, Vol. 159, No. 974, A Discussion on Demography (Dec. 10, 1963), pp. 2-37 Published by: The Royal Society Stable URL: https://www.jstor.org/stable/90480
    • Graunt, John. “Natural and political observations mentioned in a following index, and made upon the Bills of mortality.” Oxford : Printed by William Hall, for John Martyn, and James Allestry, printers to the Royal Society MDCLXV [1665]. http://resource.nlm.nih.gov/2356017R
    • KARGON, ROBERT. “John Graunt, Francis Bacon, and the Royal Society: The Reception of Statistics.” Journal of the History of Medicine and Allied Sciences, vol. 18, no. 4, 1963, pp. 337–48. JSTOR, http://www.jstor.org/stable/24621352
    • Kelsey, Holly. “Sovereign and the Sick City in 1603.” Shakespeare Birthplace Trust. Aug. 23, 2016. https://www.shakespeare.org.uk/explore-shakespeare/blogs/sovereign-and-sick-city-1603/
    • Lewin, C. G. "Graunt, John (1620–1674), statistician." Oxford Dictionary of National Biography. August 08, 2024. Oxford University Press. https://www.oxforddnb.com/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-11306
    • Pepys, Samuel. “The Diary of Samuel Pepys.” GEORGE BELL & SONS. London. 1893. Accessed online: https://www.gutenberg.org/cache/epub/4200/pg4200.txt
    • Smith, R.M. (2008). “Graunt, John (1620–1674).” The New Palgrave Dictionary of Economics. Palgrave Macmillan, London. https://doi.org/10.1057/978-1-349-95121-5_758-2

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    37 分
  • SYMHC Classics: Red Summer 1919
    2026/05/02

    This 2019 episode marked 100 years since a wave of racist violence in the U.S. that became known as Red Summer. In many ways, Red Summer was a response to (but NOT caused by) two earlier events: the Great Migration and the return of black soldiers who had fought in World War I.

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    33 分
  • Behind the Scenes Minis: Greetings and Context
    2026/05/01

    Holly and Tracy commiserate about sending greeting cards. Tracy talks about how she shifted away from an episode exclusively about Frances Thompson.

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    26 分
  • The Memphis Massacre
    2026/04/29

    The Memphis Massacre was a truly horrific wave of destruction and violence, including sexual violence, against the Black community of Memphis just a year after the end of the U.S. Civil War.

    Research:

    • “Memphis Daily Appeal Interviews Frances Thompson (1876),” SHEC: Resources for Teachers, accessed April 9, 2026, https://shec.ashp.cuny.edu/items/show/3717.
    • “The Outrage Mill.” The North Missouri Register. 9/14/1876.
    • “The Reports of the Committees of the House of Representatives Made during the First Session Thirty-ninth Congress, 1865-’66.” Washington: Government Printing Office. https://www.govinfo.gov/app/details/SERIALSET-01274_00_00-002-0101-0000/context
    • Blank, Christopher. “Do The Words 'Race Riot' Belong On A Historic Marker In Memphis?” Code Switch. NPR. 5/2/2016. https://www.npr.org/sections/codeswitch/2016/05/02/476450908/in-memphis-a-divide-over-how-to-remember-a-massacre-150-years-later
    • Britannica Editors. "Memphis massacre of 1866". Encyclopedia Britannica, 15 Feb. 2024, https://www.britannica.com/event/Memphis-Race-Riot. Accessed 8 April 2026.
    • Carriere, Marius. “An Irresponsible Press: Memphis Newspapers and the 1866 Riot.” Tennessee Historical Quarterly , Spring 2001, Vol. 60, No. 1. https://www.jstor.org/stable/42628498
    • Davis, Justin A. “How a disabled Black trans woman left her mark on 19th-century Memphis.” The Emancipator. 6/13/2024. https://theemancipator.org/2024/06/13/topics/histories/how-a-disabled-black-trans-woman-left-her-mark-on-19th-century-memphis/
    • Donald, Bernice Bouie. “When the Rule of Law Breaks Down: Implications of the 1866 Memphis Massacre for the Passage of the Fourteenth Amendment.” Boston Law Review. Vol. 98. 2018.
    • Equal Justice Institute. “On this day - Apr 30, 1866: White Police and Mobs Terrorize and Kill Black Residents in Memphis.” https://calendar.eji.org/racial-injustice/apr/30
    • Harper’s Weekly. “The Memphis Riots.” 5/26/1866.
    • Johnson, Charles F. and T.W. Gilbreth. “The Freedmen’s Bureau Report on the Memphis Race Riots of 1866.” 5/22/1866. https://teachingamericanhistory.org/document/the-freedmens-bureau-report-on-the-memphis-race-riots-of-1866/
    • Kimberley, Lewis. “’If you kill him, you have got to kill me first’: examining individual and collective loyalties during the Memphis Massacre (1866).” American Nineteenth Century History. Vol. 25, 2024. https://www.tandfonline.com/doi/full/10.1080/14664658.2024.2316465
    • O’Donovan, Susan and Beverly Bond. “ ‘A History They Can Use’: The Memphis Massacre and Reconstruction’s Public History Terrain.” The Journal of the Civil War Era. 8/15/2016. https://www.journalofthecivilwarera.org/2016/08/history-can-use-memphis-massacre-reconstructions-public-history-terrain/
    • Stryker, Susan. “To Appear As We Please.” Aperture, Winter 2017, No. 229, Future Gender. Via JSTOR. https://www.jstor.org/stable/44898154
    • Walker, Barrington. “'This is the White Man's Day': The Irish, White Racial Identity, and the 1866 Memphis Riots.” Left History. Vol. 5, No. 2, 1997. https://doi.org/10.25071/1913-9632.5336

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    41 分
  • Greeting Cards
    2026/04/27

    Humans have been exchanging tokens of friendship since before recorded history. From calling cards to Valentines to Christmas cards, the modern greeting card industry evolved.

    Research:

    • “America’s First Christmas Card.” Albany Institute of History and Art. https://www.albanyinstitute.org/online-exhibition/50-objects/section/america-s-first-christmas-card
    • Britannica Editors. "scarab". Encyclopedia Britannica, 3 Apr. 2014, https://www.britannica.com/topic/scarab
    • Britannica Editors. "greeting card". Encyclopedia Britannica, 15 Mar. 2024, https://www.britannica.com/topic/greeting-card
    • Brown, Ellen F. “Christmas, Inc.: A Brief History of the Holiday Card.” JSTOR Daily. Dec. 20, 2015. https://daily.jstor.org/history-christmas-card-holiday-card/
    • Chase, Ernest Dudley. “The Romance of Greeting Cards.” Rust Craft. Cambridge, MA. 1956.
    • “Dali at Hallmark.” Hallmark Art Collection. https://www.hallmarkartcollection.com/creatively-thinking/stories/dali-at-hallmark/
    • “Esther Howland 1847.” Mount Holyoke. https://www.mtholyoke.edu/directory/alum/esther-howland
    • Evans, Elaine Altman. “The Sacred Scarab, Occasional Paper.” McClung Museum of Natural History and Culture. University of Tennessee. January 1, 1996. https://mcclungmuseum.utk.edu/1996/01/01/sacred-scarab/
    • Greeting Card Association. “The History of Greeting Cards.” https://www.greetingcard.org/history/
    • Hanc, John. “The History of the Christmas Card.” Smithsonian. Dec. 9, 2015. https://www.smithsonianmag.com/history/history-christmas-card-180957487/
    • Henry, William E. “Art and Cultural Symbolism: A Psychological Study of Greeting Cards.” The Journal of Aesthetics and Art Criticism, vol. 6, no. 1, 1947, pp. 36–44. JSTOR, https://doi.org/10.2307/426176
    • Kavanagh, Marybeth. “Louis Prang, Father of the American Christmas Card.” The New York Historical. Dec. 19, 2012. https://www.nyhistory.org/blogs/prang
    • Koon, Wee Kek. “How ancient Chinese new year cards went from elites’ greetings to bribery instruments.” South China Morning Post. Jan. 31, 2026. https://www.scmp.com/lifestyle/chinese-culture/article/3341675/how-ancient-chinese-new-year-cards-went-elites-greetings-bribery-instruments?module=perpetual_scroll_0&pgtype=article
    • Korolkov, Maxim. “‘Greeting Tablets’ in Early China: Some Traits of the Communicative Etiquette of Officialdom in Light of Newly Excavated Inscriptions.” T’oung Pao, vol. 98, no. 4/5, 2012, pp. 295–348. JSTOR, http://www.jstor.org/stable/41725988
    • Lee, Ruth Webb. “A History of Valentines.” 1984.
    • Newberry, Percy E. “Scarabs: An Introduction to the Study of Egyptian Seals and Signet Rings.” London. Archibald Constable and Co. Ltd. 1908. https://dn790001.ca.archive.org/0/items/scarabsintroduc00newbuoft/scarabsintroduc00newbuoft.pdf
    • Purcell, Denise. “Authentic Messaging and Independent Makers Drive Greeting Cards' Next-Gen Relevance.” U.S. Chamber of Commerce. https://www.uschamber.com/co/good-company/launch-pad/greeting-card-next-gen-relevance#:~:text=The%20category%20is%20massive:%20According,card%20market%20at%20$7%20billion.
    • Grafton, Samuel. “Holly Leaf and Copper Plate.” The North American Review, vol. 226, no. 6, 1928, pp. 660–64. JSTOR, http://www.jstor.org/stable/25110633
    • Shoichet, Catherine E. “This ‘visionary’ woman changed the way many Americans celebrate Valentine’s Day.” CNN. Feb. 14, 2024. https://edition.cnn.com/2024/02/13/style/esther-howland-valentines-card-history-cec
    • Schmidt, Leigh Eric. “The Commercialization of the Calendar: American Holidays and the Culture of Consumption, 1870-1930.” The Journal of American History, vol. 78, no. 3, 1991, pp. 887–916. JSTOR, https://doi.org/10.2307/2078795
    • Stupperich, Andy. “Art Education: Louis Prang's Christmas Card Competitions.” The Henry Ford Museum. January 29, 2026. https://www.thehenryford.org/collections/explore/articles/art-education-louis-prang%27s-christmas-card-competitions
    • Terrell, Ellen. “Esther Howland and the Business of Love.” Library of Congress. March 23, 2016. https://blogs.loc.gov/inside_adams/2016/03/esther-howland-and-the-business-of-love/
    • “World's first printed Valentine's Card.” A History of the World. BBC. 2014. https://www.bbc.co.uk/ahistoryoftheworld/objects/L1NM_6mWRymAMKXcRDlXJA
    • Wright, Helena E. “A winning design: Prang’s Christmas card contests of the 1880s.” National Museum of American History. December 23, 2019. https://americanhistory.si.edu/explore/stories/winning-design-prangs-christmas-card-contests-1880s

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    36 分
  • SYMHC Classics: The Color Blue
    2026/04/25

    This 2019 episode covers the color blue, the most popular color in many parts of the world. But many ancient languages didn’t have a word for blue, and some languages still don’t.

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    40 分
  • Behind the Scenes Minis: Dicey Sources
    2026/04/24

    Tracy shares struggles that she encountered pulling together this edition of Unearthed. She and Holly have a tangential discussion about AI.

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    23 分
  • Unearthed! In Spring 2026, Part 2
    2026/04/22
    Part one of this quarter's edition of Unearthed! includes animals, artwork, edibles and potables, shipwrecks, potpourri. Research: Abdallah, Hannah. “Analysis of charred food in pot reveals that prehistoric Europeans had surprisingly complex cuisines.” EurekAlert. 3/4/2025. https://www.eurekalert.org/news-releases/1117763Almeroth-Williams, Thomas. “British redcoat’s lost memoir reveals harsh realities of life as a disabled veteran.” EurekAlert. 1/14/2026. https://www.eurekalert.org/news-releases/1111595Anderson, Sonja. “Does This Skeleton Found Beneath a Dutch Church Belong to D’Artagnan, the Man Who Inspired ‘The Three Musketeers’?” Smithsonian. 3/27/2026. https://www.smithsonianmag.com/smart-news/this-skeleton-found-beneath-the-floor-of-a-dutch-church-may-belong-to-dartagnan-the-fourth-musketeer-180988448/Anderson, Sonja. “Historians Thought This Rare Renaissance Portrait by One of the First Famous Female Artists Was Lost to History—Until It Surfaced in North Carolina.” 2/3/2026. https://www.smithsonianmag.com/smart-news/historians-thought-this-rare-renaissance-portrait-by-one-of-the-first-famous-female-artists-was-lost-to-history-until-it-surfaced-in-north-carolina-180988120/Anderson, Sonja. “Hundreds of Ancient Roman Blade Sharpeners Emerge From a Riverbank in England, Revealing the Ruins of a 2,000-Year-Old Whetstone Factory.” Smithsonian. 1/20/2026. https://www.smithsonianmag.com/smart-news/hundreds-of-ancient-roman-blade-sharpeners-emerge-from-a-riverbank-in-england-revealing-the-ruins-of-a-2000-year-old-whetstone-factory-180988016/Anderson, Sonja. “The Italian Government Just Paid Nearly $35 Million for a Rare Caravaggio Portrait—One of the Most Expensive Artworks It’s Ever Acquired.” Smithsonian. 3/16/2026. https://www.smithsonianmag.com/smart-news/the-italian-government-just-paid-nearly-35-million-for-a-rare-Caravaggio-portrait-one-of-the-most-expensive-artworks-its-ever-acquired-180988344/Arnold, Paul. “Poop as medicine? A Roman vial's chemistry backs up ancient medical texts.” Phys.org. 2/4/2026. https://phys.org/news/2026-02-poop-medicine-roman-vial-chemistry.htmlArnold, Paul. “Scents of the afterlife: Identifying embalming recipes by 'sniffing' the air around Egyptian mummies.” Phys.org. 2/5/2026. https://phys.org/news/2026-02-scents-afterlife-embalming-recipes-sniffing.html#google_vignetteBacon, Jordan. “English history’s biggest march is a myth – King Harold sailed to the Battle of Hastings.” EurekAlert. 3/20/2026. https://www.eurekalert.org/news-releases/1120082Bastola, Kunjal. “A Groundskeeper Noticed a Sinkhole on a Golf Course. It Turned Out to Be a Wine Cellar Full of Empty Bottles, Untouched for More Than 100 Years.” Smithsonian. 3/19/2026. https://www.smithsonianmag.com/smart-news/a-groundskeeper-noticed-a-sinkhole-on-a-golf-course-it-turned-out-to-be-a-wine-cellar-full-of-empty-bottles-untouched-for-more-than-100-years-180988379/Bastola, Kunjal. “A Little Boy’s Library Book Was Due in 1989. Thirty-Six Years Later, He Realized His Parents Had Never Returned It.” Smithsonian. 1/26/2026. https://www.smithsonianmag.com/smart-news/a-little-boys-library-book-was-due-in-1989-thirty-six-years-later-he-realized-his-parents-had-never-returned-it-180988046/Baum, Stephanie. “Ancient parrot DNA reveals sophisticated, long-distance animal trade network pre-dating the Inca Empire.” 3/10/2026. https://phys.org/news/2026-03-ancient-parrot-dna-reveals-sophisticated.htmlBaum, Stephanie. “From the Late Bronze Age to today, the Old Irish Goat carries 3,000 years of Irish history.” 2/26/2026. https://phys.org/news/2026-02-late-bronze-age-today-irish.htmlBenzine, Vittoria. “What Did Pompeii Smell Like? A New Study Analyzes Its Ancient Incense.” Artnet. 3/31/2026. https://news.artnet.com/art-world/pompeii-ritual-incense-study-2760240Brooks, James. “Danish warship sunk by Nelson’s British fleet discovered after 225 years.” Associated Press. 4/2/2026. https://apnews.com/article/denmark-archaeologists-warship-nelson-copenhagen-dannebroge-lynetteholm-4519533d9e774a490f6020e893634e09Carvajal, Guillermo. “Archaeologists achieve a historic milestone by dating French cave paintings with carbon-14 for the first time.” 3/10/2025. https://www.labrujulaverde.com/en/2026/03/archaeologists-achieve-a-historic-milestone-by-dating-french-cave-paintings-with-carbon-14-for-the-first-time/Clayworth, Liv. “Bird poop powered the rise of the Chincha Kingdom, archaeologists find.” EurekAlert. 2/11/2026. https://www.eurekalert.org/news-releases/1115214“Lost page of the Archimedes Palimpsest identified in Blois, central France.” Phys.org. 3/9/2026. https://phys.org/news/2026-03-lost-page-archimedes-palimpsest-blois.htmlEhrlich, Claudia. “Signs on Stone Age objects: Precursor to written language dates back 40,000 years.” EurekAlert. 2/23/2026. https://www.eurekalert.org/news-releases/1117179Ferrer, Isabel. “Is d’Artagnan lying ...
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    39 分