



Unearthed! In July 2026, Part 2
The wrap up of things unearthed in the second quarter of 2026 includes the potpourri category, lots of books and letters, shipwrecks, and neanderthals. Research: Addley, Esther. “Solstice-aligned 5,000-year-old monument ‘once in a lifetime find’, say archaeologists.” The Guardian. 6/17/2026. http…

Unearthed! In July 2026, Part 1
Part one of the mid-year coverage of things literally and figuratively unearthed in the last quarter includes updates, more updates, animals, edibles and potables, and accidental finds. Research: Addley, Esther. “Solstice-aligned 5,000-year-old monument ‘once in a lifetime find’, say archaeologist…

SYMHC Classics: Raincoats
This 2023 episode covers how humans have worked on ways to make garments water resistant almost since they started to wear them. But figuring out how to manufacture a raincoat using rubber was a big breakthrough that took centuries.

Behind the Scenes Minis: Shoes, Shoes, Shoes!
Holly and Tracy discuss how frustrating Charles Goodyear could be. Then Holly talks a lot about shoes and how much she loves them.

Running Through Sneaker History
The evolution from leather-soled shoes of the 19th century to the sneakers people wear today started slowly, then built momentum. Many of the big names in sneakers today got their start surprisingly early in the process. Research: “A Column for the Girls.” Brooklyn Eagle. July 28, 1895. https:/…

Charles Goodyear and Vulcanized Rubber
Charles Goodyear's work is important to so many things we have in the 21st century. But his life and his work to create a stable rubber was full of problems -- many of them caused by Goodyear himself. Research: Britannica Editors. "Charles Goodyear". Encyclopedia Britannica, 25 Dec. 2025, https://…

SYMHC Classics: Penicillin
This 2022 episode covers the development of penicillin, which started – but definitely did not end – with the chance discovery of some mold in a petri dish.

Behind the Scenes Minis: Dorothy Everywhere
Tracy shares stories of her time in London. There is also a discussion of Dorothy Crowfoot Hodgkin’s marriage.

Dorothy Crowfoot Hodgkin’s Crystalline Chemistry, Part 2
After earning her first-class degree in chemistry from Oxford, Dorothy embarked on an impressive career in the new field of X-ray crystallography. She would ultimately earn many, many accolades for her work. Research: "Dorothy Crowfoot Hodgkin." Encyclopedia of World Biography Online, Gale, 1998. …

Dorothy Crowfoot Hodgkin’s Crystalline Chemistry, Part 1
Dorothy Hodgkin's career in X-ray crystallography impacted a lot of science in the 20th century. Part one of her story covers her early life and formative experiences that led her to her field of research. Research: "Dorothy Crowfoot Hodgkin." Encyclopedia of World Biography Online, Gale, 1998. Ga…