Description: It can be so frustrating to put great effort into something, and then to have your work and achievements called into question. I can't begin to imagine how frustrated Samuel Pierpont Langley was in 1903. By that time, he had spent over forty years studying astrophysics and aerodynamics. His work on astronomically-derived time measurement in the late 1860's is the heart of the
Description: [view in Spanish]Smithsonian scientific interchange with Latin America continues in the depth and breadth demonstrated by the historical record. The tradition of collegial relationships across the Americas derives new meaning from concerns over the responsible stewardship of the earth's natural resources. In Belize, the National Museum of Natural History leased a small island
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