Menopausal women often report some cognitive problems, but a new study suggests they can be lessened by taking stimulants such as those used to treat attention deficit/hyperactivity disorder, researchers at the University of Pennsylvania and Yale School...
Henricus Martellus, a German cartographer working in Florence in the late 15th century, produced a highly detailed map of the known world. According to experts, there is strong evidence that Christopher Columbus studied this map and that it influenced his...