Washington D.C. has a limited but fascinating history of dinosaurs. The "Capitalsaurus" is a controversial dinosaur, which has been debated over for more than a century. But, why are there so few dinosaurs found in D.C. or on the East Coast generally?
The Library of Congress recently acquired Alessandro Piccolomini's 1566 edition of La Sfera del Mondo and De La Stelle Fisse, often regarded as the first printed star atlas. This work by Alessandro Piccolomini was the first to offer an entry into amateur astronomy for the non-scholar.
In the summer of 1860, three American scientists set out on an epic months-long journey into the Canadian north, where indigenous guides hauled them hundreds of miles up the Saskatchewan River to catch sight of a total solar eclipse.