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"This is the first book that focuses on Benjamin Franklin as a swimmer. Franklin thought swimming a valuable activity and swam whenever he could wherever he was. We can see Franklin's personality emerge through the lens of swimming, which offered him entrée into London society as a young man. The book includes excerpts from the journal of Benjamin Franklin Bache, Franklin's grandson"--
With a new preface outlining the most recent critical developments, this updated edtion of The Future of the Professions predicts how technology will transform the work of doctors, teachers, architects, lawyers, and many others in the 21st century, and introduces the people and systems that may replace them.
The American Philosophical Society exhibition, Curious Revolutionaries: The Peales of Philadelphia (April-December 2017), curated by Andrew W. Mellon Postdoctoral Fellows Drs. Diana Marsh and Amy Ellison, offered visitors a look at the lives, accomplishments, and legacies of Charles Willson Peale and his talented family. Expanding on the exhibition, "The Art of Revolutions" conference, cosponsored by the American Philosophical Society, the Museum of the American Revolution, and the Philadelphia Museum of Art, explored the role of imagery in influencing and giving meaning to the political revolutions that defined the late 18th and early 19th centuries. The conference was held October 26-28, 2017, at the American Philosophical Society. Included here is a selection of the talks presented at the conference, revised and updated. The volume also contains an introduction by Cathy Kelley and a compelling preface by Patrick Spero, Librarian and Director of the APS Library.
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The Soviet agronomist Trofim Lysenko became one of the most notorious figures in twentieth-century science after his genetic theories were discredited decades ago. Yet some scientists, even in the West, now claim that discoveries in the field of epigenetics prove that he was right after all. Seeking to get to the bottom of Lysenko’s rehabilitation in certain Russian scientific circles, Loren Graham reopens the case, granting his theories an impartial hearing to determine whether new developments in molecular biology validate his claims. In the 1930s Lysenko advanced a “theory of nutrients” to explain plant development, basing his insights on experiments which, he claimed, showed one could manipulate environmental conditions such as temperature to convert a winter wheat variety into a spring variety. He considered the inheritance of acquired characteristics—which he called the “internalization of environmental conditions”—the primary mechanism of heredity. Although his methods were slipshod and his results were never duplicated, his ideas fell on fertile ground during a time of widespread famine in the Soviet Union. Recently, a hypothesis called epigenetic transgenerational inheritance has suggested that acquired characteristics may indeed occasionally be passed on to offspring. Some biologists dispute the evidence for this hypothesis. Loren Graham examines these arguments, both in Russia and the West, and shows how, in Russia, political currents are particularly significant in affecting the debates.