Those jokes about inbred royals might have some basis in fact, according to a new study in the journal PLOS One .The Hapsburg dynasty ruled Spain from 1516 to 1700, reigning over the height of the Spanish empire. The dynasty ended when the last king, Charles II, who suffered physical and mental dis...
Sign up for regular email updates from Smithsonian magazine, including free newsletters, special offers and current news updates.
Smithsonian.com expands on Smithsonian magazine's in-depth coverage of history, science, nature, the arts, travel, world culture and technology. Join us regularly as we take a dynamic and interactive approach to exploring modern and historic perspectives on the arts, sciences, nature, world culture and travel, including videos, blogs and a reader forum.