Description: A 1936 exchange of letters about the prickly porcupine preserves both a contemporary scientific debate and the wit and wisdom of a young Utah girl with a beloved pet.
Description: During debates about the Smithsonian’s founding, the idea of using James Smithson’s bequest for a botanic garden was included in several drafts of the bill considered by Congress. In 1850, President Millard Fillmore commissioned America’s preeminent landscape designer Andrew Jackson Downing to design plans for the National Mall, including grounds around the Smithsonian Castle,
Description: Established in 1890, the Smithsonian Astrophysical Observatory was one of the earliest observatories to practice the "new astronomy," or astrophysics. Originally located behind the Smithsonian Institution Building, the Castle, in 1955, the Observatory moved to Cambridge, Massachusetts. Today, the Harvard-Smithsonian Center for Astrophysics has observing stations in Arizona,