A colored herb from a 15th century Italian herbal.
Friday, October 30, 2026, 3:30 pm EDT
University of Pittsburgh
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Monday, November 2, 2026, 3:00 pm EST
Princeton University
Monday, November 2, 2026, 3:30 pm EST
University of Pennsylvania
Monday, November 2, 2026, 6:00 pm EST
American Philosophical Society, Johns Hopkins University
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Wednesday, November 4, 2026, 10:30 am EST
Monday, October 19, 2026, 9:00 am EDT
Science History Institute
Friday, October 16, 2026, 1:30 pm EDT
Harvard University
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Friday, October 16, 2026, 10:00 am EDT
Thursday, October 15, 2026, 3:00 pm EDT
Johns Hopkins University
Thursday, October 15, 2026, 2:00 pm EDT
Wednesday, October 14, 2026, 12:00 pm EDT
Wednesday, October 14, 2026, 9:30 am EDT
Tuesday, October 13, 2026, 4:30 pm EDT
Princeton University
Tuesday, October 13, 2026, 11:00 am EDT
Thursday, November 12, 2026, 6:30 pm EST
Library of Congress
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Harvard University
Monday, November 16, 2026, 12:00 pm EST
Columbia University
Monday, November 16, 2026, 3:30 pm EST
University of Pennsylvania
Wednesday, November 18, 2026, 6:00 pm EST
Columbia University
Tuesday, November 24, 2026, 12:00 pm EST
University of Toronto
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