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...
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...
Nuclear membranes protect genes — life’s most precious cargo — but little is known about why they function in different tissue types. For instance, nuclei in brain cells tend to be soft and pliable while those in bone cells are stiff and rigid. Now Yale...