Description: [view in Spanish][edan-image:id=siris_sic_7144,size=200,right]During construction of the Panama Canal at the start of the century, many laborers died of malaria and yellow fever. To find ways to control the diseases, North American biologists came to the isthmus of Panama. Some of these scientists were so impressed by the diversity of the natural environment that they later
Description: [view in Spanish]The first international scientific expedition sponsored by the United States circumnavigated the globe between 1838 and 1842, gathering natural history collections so vast they were estimated to weigh 40 tons. The U.S. Congress resolved to preserve these artifacts "collected at the expense of the government...Information about the first international