The complex at Lalibela was excavated from volcanic rock about 700 years ago, and has been in continuous use since then. It's connected to the overall history of Christianity in Ethiopia -- different from Christianity in the rest of sub-Saharan Africa. 

 Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

The complex at Lalibela was excavated from volcanic rock about 700 years ago, and has been in continuous use since then. It's connected to the overall history of Christianity in Ethiopia -- different from Christianity in the rest of sub-Saharan Africa. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

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

Stuff You Missed in History Class

Ethiopia's Rock-hewn Churches of Lalibela 

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/6eb1b8ea-419e-494b-aea8-ae2800367251/transcript

This 2012 episode from prior hosts Sarah and Deblina covers dentist Horace Wells. At an exhibition in 1844 he became certain that nitrous oxide could revolutionize medicine. He tried to demonstrate his findings, but things didn't go as planned.

This 2012 episode from prior hosts Sarah and Deblina covers dentist Horace Wells. At an exhibition in 1844 he became certain that nitrous oxide could revolutionize medicine. He tried to demonstrate his findings, but things didn't go as planned.

SYMHC Classics: Horace Wells and the Gas War

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/7e752d9f-a9de-4f54-ad7a-b1600104f838/transcript

Tracy and Holly discuss Sir Humphry Davy's less than spectacular poems, Mary Shelley's "Frankenstein," and the end of Davy's career and life. 

Tracy and Holly discuss Sir Humphry Davy's less than spectacular poems, Mary Shelley's "Frankenstein," and the end of Davy's career and life.

Behind the Scenes Minis: Bad Poetry

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/c615516b-9da4-4c02-9074-b16001041169/transcript

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. 

Research:
"Britons take laughing gas merrily. Tories take it more seriously." The Economist, 27 Sept. 2023, p. NA. Gale OneFile: Business, link.gale.com/apps/doc/A766770794/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=c0888abb. Accessed 3 Apr. 2024.
"Erroneous element." Muse, vol. 20, no. 7, Sept. 2016, p. 7. Gale General OneFile, link.gale.com/apps/doc/A466296806/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=795a6d0c. Accessed 3 Apr. 2024.
“Sir Humphrey Davy’s Harmful Emissions – November 2015.” Newcastle University Special Collections. 11/30/2015. https://blogs.ncl.ac.uk/speccoll/2015/11/30/sir-humphrey-davys-harmful-emissions/
Adams, Max. "Humphry Davy and the murder lamp: Max Adams investigates the truth behind the introduction of a key invention of the early Industrial Revolution." History Today, vol. 55, no. 8, Aug. 2005, pp. 4+. Gale In Context: U.S. History, link.gale.com/apps/doc/A135180355/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=2d163818. Accessed 3 Apr. 2024.
Buslov, Alexander BSc; Carroll, Matthew BSc; Desai, Manisha S. MD. Frozen in Time: A History of the Synthesis of Nitrous Oxide and How the Process Remained Unchanged for Over 2 Centuries. Anesthesia & Analgesia 127(1):p 65-70, July 2018. | DOI: 10.1213/ANE.0000000000003423
Cantor, Geoffrey. “Humphry Davy: a study in narcissism?” The Royal Society. 4/11/2018. https://royalsocietypublishing.org/doi/10.1098/rsnr.2017.0055#FN95R
Cartwright, F.F. “Humphry Davy’s Researches on Nitrous Oxide.” British Journal of Anesthesia. Vol. 44. 1972.
Davy, Humprhy. “Researches, chemical and philosophical : chiefly concerning nitrous oxide, or diphlogisticated nitrous air, and its respiration.” London : printed for J. Johnson, St. Paul's Church-Yard, by Biggs and Cottle, Bristol. 1800.
Eveleth, Rose. “Here’s What It Was Like to Discover Laughing Gas.” Smithsonian. 3/27/2014. https://www.smithsonianmag.com/smart-news/heres-what-it-was-discover-laughing-gas-180950289/
Gibbs, Frederick William. "Sir Humphry Davy". Encyclopedia Britannica, 26 Feb. 2024, https://www.britannica.com/biography/Sir-Humphry-Davy-Baronet. Accessed 3 April 2024.
Gregory, Joshua C. “The Life and Work of Sir Humphry Davy.” Science Progress in the Twentieth Century (1919-1933), Vol. 24, No. 95. https://www.jstor.org/stable/43428894
Hunt, Lynn and Margaret Jacob. “The Affective Revolution in 1790s Britain.” Eighteenth-Century Studies , Summer, 2001, Vol. 34, No. 4 (Summer, 2001). https://www.jstor.org/stable/30054227 j
Jacob, Margaret C. and Michael J. Sauter. “Why Did Humphry Davy and Associates Not Pursue the Pain-Alleviating Effects of Nitrous Oxide?” Journal of the History of Medicine and Allied Sciences , APRIL 2002, Vol. 57, No. 2. Via https://www.jstor.org/stable/24623678
James, Frank A. J. L. "Davy, Humphry." Complete Dictionary of Scientific Biography, vol. 20, Charles Scribner's Sons, 2008, pp. 249-252. Gale In Context: U.S. History, link.gale.com/apps/doc/CX2830905611/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=c68d87c2. Accessed 3 Apr. 2024.
James, Louis. “’Now Inhale the Gas’: Interactive Readership in Two Victorian Boys' Periodicals, 1855–1870.” Victorian Periodicals Review, Volume 42, Number 1, Spring 2009. https://doi.org/10.1353/vpr.0.0062
Jay, Mike. “‘O, Excellent Air Bag’: Humphry Davy and Nitrous Oxide.” 8/6/2014. Public Domain Review. https://publicdomainreview.org/essay/o-excellent-air-bag-humphry-davy-and-nitrous-oxide/
Jay, Mike. “The Atmosphere of Heaven: The 1799 Nitrous Oxide Researches Reconsidered.” Notes and Records of the Royal Society of London , 20 September 2009, Vol. 63, No. 3, Thomas Beddoes, 1760-1808 (20 September 2009). https://www.jstor.org/stable/40647280
Knight, David. "Davy, Sir Humphry, baronet (1778–1829), chemist and inventor." Oxford Dictionary of National Biography. February 10, 2022. Oxford University Press. Date of access 3 Apr. 2024, https://proxy.bostonathenaeum.org:2261/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-7314
Lacey, Andrew. “Humphry Davy and the ‘safety lamp controversy’.” 7/22/2015. https://www.theguardian.com/science/the-h-word/2015/jul/22/humphry-davy-lamp-controversy-history-science
Neve, Michael. "Beddoes, Thomas (1760–1808), chemist and physician." Oxford Dictionary of National Biography. October 03, 2013. Oxford University Press. Date of access 11 Apr. 2024, https://proxy.bostonathenaeum.org:2261/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-1919
Polwhele, Richard. “Poems; Chiefly, The Local Attachment; The Unsex'd Females; The Old English Gentleman; the Pneumatic Revellers; and The Family Picture, Etc: Volume 5.” 1810.
Roberts, Jacob. “High Times: When does self-experimentation cross the line?” Science History Institute Museum and Library. 2/2/2017. https://www.sciencehistory.org/stories/magazine/high-times/
Slosson, Edwin E. “A New Path to Oblivion.” The Scientific Monthly, Vol. 17, No. 3 (Sep., 1923). Via JSTOR. https://www.jstor.org/stable/3693060
Thomas, John Meurig. “Sir Humphry Davy and the coal miners of the world: a commentary on Davy (1816) ‘An account of an invention for giving light in explosive mixtures of fire-damp in coal mines’.” Philosophical Transactions of the Royal Society. 4/13/2015. https://royalsocietypublishing.org/doi/10.1098/rsta.2014.0288
Thomas, John Meurig. “Sir Humphry Davy: Natural Philosopher, Discoverer, Inventor, Poet, and Man of Action.” Proceedings of the American Philosophical Society , JUNE 2013, Vol. 157, No. 2. Via JSTOR. https://www.jstor.org/stable/24640238
West, John B. “Humphry Davy, nitrous oxide, the Pneumatic Institution, and the Royal Institution.” American Journal of Physiology-Lung Cellular and Molecular Physiology. Volume 307, Issue 9. Nov 2014. https://journals.physiology.org/doi/epdf/10.1152/ajplung.00206.2014
Woods, Gordon. "Sir Humphry Davy." Chemistry Review, vol. 14, no. 4, Apr. 2005, pp. 31+. Gale General OneFile, link.gale.com/apps/doc/A131857918/GPS?u=mlin_n_melpub&sid=bookmark-GPS&xid=4d341a27. Accessed 3 Apr. 2024.

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. 
Research:
<ul>
<li>"Britons take laughing gas merrily. Tories take it more seriously." The Economist, 27 Sept. 2023, p. NA. Gale OneFile: Business, link.gale.com/apps/doc/A766770794/GPS?u=mlin_n_melpub&amp;sid=bookmark-GPS&amp;xid=c0888abb. Accessed 3 Apr. 2024.</li>
<li>"Erroneous element." Muse, vol. 20, no. 7, Sept. 2016, p. 7. Gale General OneFile, link.gale.com/apps/doc/A466296806/GPS?u=mlin_n_melpub&amp;sid=bookmark-GPS&amp;xid=795a6d0c. Accessed 3 Apr. 2024.</li>
<li>“Sir Humphrey Davy’s Harmful Emissions – November 2015.” Newcastle University Special Collections. 11/30/2015. https://blogs.ncl.ac.uk/speccoll/2015/11/30/sir-humphrey-davys-harmful-emissions/</li>
<li>Adams, Max. "Humphry Davy and the murder lamp: Max Adams investigates the truth behind the introduction of a key invention of the early Industrial Revolution." History Today, vol. 55, no. 8, Aug. 2005, pp. 4+. Gale In Context: U.S. History, link.gale.com/apps/doc/A135180355/GPS?u=mlin_n_melpub&amp;sid=bookmark-GPS&amp;xid=2d163818. Accessed 3 Apr. 2024.</li>
<li>Buslov, Alexander BSc; Carroll, Matthew BSc; Desai, Manisha S. MD. Frozen in Time: A History of the Synthesis of Nitrous Oxide and How the Process Remained Unchanged for Over 2 Centuries. Anesthesia &amp; Analgesia 127(1):p 65-70, July 2018. | DOI: 10.1213/ANE.0000000000003423</li>
<li>Cantor, Geoffrey. “Humphry Davy: a study in narcissism?” The Royal Society. 4/11/2018. https://royalsocietypublishing.org/doi/10.1098/rsnr.2017.0055#FN95R</li>
<li>Cartwright, F.F. “Humphry Davy’s Researches on Nitrous Oxide.” British Journal of Anesthesia. Vol. 44. 1972.</li>
<li>Davy, Humprhy. “Researches, chemical and philosophical : chiefly concerning nitrous oxide, or diphlogisticated nitrous air, and its respiration.” London : printed for J. Johnson, St. Paul's Church-Yard, by Biggs and Cottle, Bristol. 1800.</li>
<li>Eveleth, Rose. “Here’s What It Was Like to Discover Laughing Gas.” Smithsonian. 3/27/2014. https://www.smithsonianmag.com/smart-news/heres-what-it-was-discover-laughing-gas-180950289/</li>
<li>Gibbs, Frederick William. "Sir Humphry Davy". Encyclopedia Britannica, 26 Feb. 2024, https://www.britannica.com/biography/Sir-Humphry-Davy-Baronet. Accessed 3 April 2024.</li>
<li>Gregory, Joshua C. “The Life and Work of Sir Humphry Davy.” Science Progress in the Twentieth Century (1919-1933), Vol. 24, No. 95. https://www.jstor.org/stable/43428894</li>
<li>Hunt, Lynn and Margaret Jacob. “The Affective Revolution in 1790s Britain.” Eighteenth-Century Studies , Summer, 2001, Vol. 34, No. 4 (Summer, 2001). https://www.jstor.org/stable/30054227 j</li>
<li>Jacob, Margaret C. and Michael J. Sauter. “Why Did Humphry Davy and Associates Not Pursue the Pain-Alleviating Effects of Nitrous Oxide?” Journal of the History of Medicine and Allied Sciences , APRIL 2002, Vol. 57, No. 2. Via https://www.jstor.org/stable/24623678</li>
<li>James, Frank A. J. L. "Davy, Humphry." Complete Dictionary of Scientific Biography, vol. 20, Charles Scribner's Sons, 2008, pp. 249-252. Gale In Context: U.S. History, link.gale.com/apps/doc/CX2830905611/GPS?u=mlin_n_melpub&amp;sid=bookmark-GPS&amp;xid=c68d87c2. Accessed 3 Apr. 2024.</li>
<li>James, Louis. “’Now Inhale the Gas’: Interactive Readership in Two Victorian Boys' Periodicals, 1855–1870.” Victorian Periodicals Review, Volume 42, Number 1, Spring 2009. https://doi.org/10.1353/vpr.0.0062</li>
<li>Jay, Mike. “‘O, Excellent Air Bag’: Humphry Davy and Nitrous Oxide.” 8/6/2014. Public Domain Review. https://publicdomainreview.org/essay/o-excellent-air-bag-humphry-davy-and-nitrous-oxide/</li>
<li>Jay, Mike. “The Atmosphere of Heaven: The 1799 Nitrous Oxide Researches Reconsidered.” Notes and Records of the Royal Society of London , 20 September 2009, Vol. 63, No. 3, Thomas Beddoes, 1760-1808 (20 September 2009). https://www.jstor.org/stable/40647280</li>
<li>Knight, David. "Davy, Sir Humphry, baronet (1778–1829), chemist and inventor." Oxford Dictionary of National Biography. February 10, 2022. Oxford University Press. Date of access 3 Apr. 2024, https://proxy.bostonathenaeum.org:2261/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-7314</li>
<li>Lacey, Andrew. “Humphry Davy and the ‘safety lamp controversy’.” 7/22/2015. https://www.theguardian.com/science/the-h-word/2015/jul/22/humphry-davy-lamp-controversy-history-science</li>
<li>Neve, Michael. "Beddoes, Thomas (1760–1808), chemist and physician." Oxford Dictionary of National Biography. October 03, 2013. Oxford University Press. Date of access 11 Apr. 2024, https://proxy.bostonathenaeum.org:2261/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-1919</li>
<li>Polwhele, Richard. “Poems; Chiefly, The Local Attachment; The Unsex'd Females; The Old English Gentleman; the Pneumatic Revellers; and The Family Picture, Etc: Volume 5.” 1810.</li>
<li>Roberts, Jacob. “High Times: When does self-experimentation cross the line?” Science History Institute Museum and Library. 2/2/2017. https://www.sciencehistory.org/stories/magazine/high-times/</li>
<li>Slosson, Edwin E. “A New Path to Oblivion.” The Scientific Monthly, Vol. 17, No. 3 (Sep., 1923). Via JSTOR. https://www.jstor.org/stable/3693060</li>
<li>Thomas, John Meurig. “Sir Humphry Davy and the coal miners of the world: a commentary on Davy (1816) ‘An account of an invention for giving light in explosive mixtures of fire-damp in coal mines’.” Philosophical Transactions of the Royal Society. 4/13/2015. https://royalsocietypublishing.org/doi/10.1098/rsta.2014.0288</li>
<li>Thomas, John Meurig. “Sir Humphry Davy: Natural Philosopher, Discoverer, Inventor, Poet, and Man of Action.” Proceedings of the American Philosophical Society , JUNE 2013, Vol. 157, No. 2. Via JSTOR. https://www.jstor.org/stable/24640238</li>
<li>West, John B. “Humphry Davy, nitrous oxide, the Pneumatic Institution, and the Royal Institution.” American Journal of Physiology-Lung Cellular and Molecular Physiology. Volume 307, Issue 9. Nov 2014. https://journals.physiology.org/doi/epdf/10.1152/ajplung.00206.2014</li>
<li>Woods, Gordon. "Sir Humphry Davy." Chemistry Review, vol. 14, no. 4, Apr. 2005, pp. 31+. Gale General OneFile, link.gale.com/apps/doc/A131857918/GPS?u=mlin_n_melpub&amp;sid=bookmark-GPS&amp;xid=4d341a27. Accessed 3 Apr. 2024.</li>
</ul>

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)

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/182de508-1862-4f6b-8c1f-b1600103df9b/transcript

Ethiopia's Rock-hewn Churches of Lalibela

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