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In this supplement are short articles ranging through such topics as Iron Sailing Ships, Coal Tar as Fuel for Steam Boilers, Pepsin, A Chinese Imperial Cemetery, and Subterraneous Flora and Fauna. - Summary by Larry Wilson]]></itunes:summary><itunes:duration>14185</itunes:duration><itunes:explicit>false</itunes:explicit><itunes:image href="https://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/c80646d82e21a0ad2544ab9005c38403.jpg"/><itunes:episodeType>full</itunes:episodeType></item><item><title>Animals of the Past-Frederic Lucas</title><link>https://www.spreaker.com/episode/animals-of-the-past-frederic-lucas--73972781</link><description><![CDATA[The Scientific American may be the oldest continuously published periodical in the United States, having launched its first publication in 1845. It has been a mainstay of popular science with in depth articles across a broad spectrum of scientific fields. 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In this supplement are short articles ranging through such topics as Iron Sailing Ships, Coal Tar as Fuel for Steam Boilers, Pepsin, A Chinese Imperial Cemetery, and Subterraneous Flora and Fauna. - Summary by Larry Wilson]]></itunes:summary><itunes:duration>21346</itunes:duration><itunes:explicit>false</itunes:explicit><itunes:image href="https://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/c80646d82e21a0ad2544ab9005c38403.jpg"/><itunes:episodeType>full</itunes:episodeType></item><item><title>Flying Saucers are Real-Donald Keyhoe</title><link>https://www.spreaker.com/episode/flying-saucers-are-real-donald-keyhoe--73947364</link><description><![CDATA[The Scientific American may be the oldest continuously published periodical in the United States, having launched its first publication in 1845. It has been a mainstay of popular science with in depth articles across a broad spectrum of scientific fields. 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In this supplement are short articles ranging through such topics as Iron Sailing Ships, Coal Tar as Fuel for Steam Boilers, Pepsin, A Chinese Imperial Cemetery, and Subterraneous Flora and Fauna. - Summary by Larry Wilson]]></itunes:summary><itunes:duration>13821</itunes:duration><itunes:explicit>false</itunes:explicit><itunes:image href="https://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/c80646d82e21a0ad2544ab9005c38403.jpg"/><itunes:episodeType>full</itunes:episodeType></item><item><title>Relativity The Special and General Theory-Albert Einstein</title><link>https://www.spreaker.com/episode/relativity-the-special-and-general-theory-albert-einstein--73844834</link><description><![CDATA[The Scientific American may be the oldest continuously published periodical in the United States, having launched its first publication in 1845. It has been a mainstay of popular science with in depth articles across a broad spectrum of scientific fields. 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In this supplement are short articles ranging through such topics as Iron Sailing Ships, Coal Tar as Fuel for Steam Boilers, Pepsin, A Chinese Imperial Cemetery, and Subterraneous Flora and Fauna. - Summary by Larry Wilson]]></itunes:summary><itunes:duration>11367</itunes:duration><itunes:explicit>false</itunes:explicit><itunes:image href="https://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/c80646d82e21a0ad2544ab9005c38403.jpg"/><itunes:episodeType>full</itunes:episodeType></item><item><title>Scientific American Supplement, No. 458, October 11, 1884-Various</title><link>https://www.spreaker.com/episode/scientific-american-supplement-no-458-october-11-1884-various--73341370</link><description><![CDATA["Scientific American Supplement, No. 458, October 11, 1884" is a collection of various articles that delve into the scientific advancements and discoveries of the time. This volume captures the spirit of inquiry and innovation that defined the late 19th century, offering insights into the scientific thought processes and technological developments that paved the way for modern science. The themes of exploration and the pursuit of knowledge resonate deeply today, reminding listeners of the enduring human quest to understand the world around us. Engaging with this historical document allows us to appreciate the foundations of contemporary scientific discourse and the relentless curiosity that drives progress.]]></description><guid isPermaLink="false">https://api.spreaker.com/episode/73341370</guid><pubDate>Sun, 02 Aug 2026 16:09:12 +0000</pubDate><enclosure url="https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/73341370/scientific_american_supplement_no_458_october_11_1884_various.mp3" length="161079363" type="audio/mpeg"/><itunes:author>Various</itunes:author><itunes:subtitle>"Scientific American Supplement, No. 458, October 11, 1884" is a collection of various articles that delve into the scientific advancements and discoveries of the time. This volume captures the spirit of inquiry and innovation that defined the late...</itunes:subtitle><itunes:summary><![CDATA["Scientific American Supplement, No. 458, October 11, 1884" is a collection of various articles that delve into the scientific advancements and discoveries of the time. This volume captures the spirit of inquiry and innovation that defined the late 19th century, offering insights into the scientific thought processes and technological developments that paved the way for modern science. The themes of exploration and the pursuit of knowledge resonate deeply today, reminding listeners of the enduring human quest to understand the world around us. Engaging with this historical document allows us to appreciate the foundations of contemporary scientific discourse and the relentless curiosity that drives progress.]]></itunes:summary><itunes:duration>20115</itunes:duration><itunes:explicit>false</itunes:explicit><itunes:image href="https://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/c80646d82e21a0ad2544ab9005c38403.jpg"/><itunes:episodeType>full</itunes:episodeType></item><item><title>Scientific American Supplement No 664 September 22 1888 - Various</title><link>https://www.spreaker.com/episode/scientific-american-supplement-no-664-september-22-1888-various--72369986</link><description><![CDATA[The Scientific American may be the oldest continuously published periodical in the United States, having launched its first publication in 1845. It has been a mainstay of popular science with in depth articles across a broad spectrum of scientific fields. In this supplement are short articles ranging through such topics as Iron Sailing Ships, Coal Tar as Fuel for Steam Boilers, Pepsin, A Chinese Imperial Cemetery, and Subterraneous Flora and Fauna. - Summary by Larry Wilson]]></description><guid isPermaLink="false">https://api.spreaker.com/episode/72369986</guid><pubDate>Fri, 05 Jun 2026 15:04:11 +0000</pubDate><enclosure url="https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/72369986/scientific_american_supplement_no_664_september_22_1888_various.mp3" length="119697692" type="audio/mpeg"/><itunes:author>Various</itunes:author><itunes:subtitle>The Scientific American may be the oldest continuously published periodical in the United States, having launched its first publication in 1845. It has been a mainstay of popular science with in depth articles across a broad spectrum of scientific...</itunes:subtitle><itunes:summary><![CDATA[The Scientific American may be the oldest continuously published periodical in the United States, having launched its first publication in 1845. It has been a mainstay of popular science with in depth articles across a broad spectrum of scientific fields. In this supplement are short articles ranging through such topics as Iron Sailing Ships, Coal Tar as Fuel for Steam Boilers, Pepsin, A Chinese Imperial Cemetery, and Subterraneous Flora and Fauna. - Summary by Larry Wilson]]></itunes:summary><itunes:duration>14963</itunes:duration><itunes:keywords>american,articles,boilers,pepsin,sciences,scientific,september,subterraneous,supplement,various</itunes:keywords><itunes:explicit>false</itunes:explicit><itunes:image href="https://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/c80646d82e21a0ad2544ab9005c38403.jpg"/><itunes:episodeType>full</itunes:episodeType></item></channel></rss>
