Description: [view in Spanish][edan-image:id=siris_sic_9227,size=110,left]Exchanging specimens is essential in botanical research: Herbaria swap their duplicates in return for specimens they lack. Such international trading is based on relations established through correspondence and research trips, relations that endure through generations of botanists. By the early twentieth century,
Description: Everyone loves a parade – especially one followed by a banquet. When scientists and politicians met in Washington, D.C., on November 23, 1936, to celebrate the centennial of the U.S. patent system, they listened first to a conventional program of speeches. Then, in the afternoon, Science Service director Watson Davis arranged something different: a “Research Parade” featuring