Margaret E. Knight was an ingenious woman. She started tinkering with things when she was still just a tiny child, and the first invention that really improved the lives of those around her came about at the age of 12.

The Inventive Mind of Margaret E. Knight

Join Holly and Tracy as they bring you the greatest and strangest Stuff You Missed In History Class in this podcast by iHeartRadio.

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Davy's career after his work in nitrous oxide included the invention of a miner's lamp designed to make mining safer. This invention came with a bit of controversy.

Sir Humphry Davy and the Miner’s Lamp (Part 2)

Chemist Sir Humphry Davy is known for his work with nitrous oxide, or laughing gas. That early part of his career is the focus of part one of this two-parter.

Sir Humphry Davy and Nitrous Oxide (Part 1)

This 2014 episode covers the Sultana, which sank the day after John Wilkes Booth was captured and killed for the murder of Abraham Lincoln So the maritime tragedy didn't make headline news.  See omnystudio.com/listener for privacy information.

SYMHC Classics: S.S. Sultana

Holly and Tracy discuss Ward McAllister as the ultimate historical mean girl. They also talk about how people were reacting to the Blitz when it was happening.  See omnystudio.com/listener for privacy information.

Behind the Scenes Minis: Extreme Wealth and Wild Research

Holly talks with previous podcast guest Dr. Rachel Lance about her new book "Chamber Divers," which details the WWII research that advanced underwater science.  See omnystudio.com/listener for privacy information.

The Inventive Mind of Margaret E. Knight

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