Several studies have shown that how much parents say to their children when they are very young is a good predictor of children’s vocabulary at the point when they begin school.
At the same time that China and other nations seek to replicate the American model of broad education in the humanities, social sciences and natural science, enrollment in humanities programs in the United States is dropping.
Mark G. Allen has been named the inaugural scientific director of the University of Pennsylvania’s Krishna P. Singh Center for Nanotechnology.
Opioids, such as morphine, are still the most effective class of painkillers, but they come with unwanted side effects and can also be addictive and deadly at high doses.
The first-known definitive case of a benign bone tumor has been discovered in the rib of a young Neandertal who lived about 120,000 years ago in what is now present-day Croatia. The bone fragment, which comes from the famous archaeological cave site of Krapina, contains by far the earliest bone tumor ever identified in the archaeological record.
France is renowned the world over as a leader in the crafts of viticulture and winemaking—but the beginnings of French viniculture have been largely unknown, until now.
Cartilage injuries are difficult to repair. Current surgical options generally involve taking a piece from another part of the injured joint and patching over the damaged area, but this approach involves damaging healthy cartilage, and a person’s cartilage may still deteriorate with age.
A team of University of Pennsylvania engineers has used a pattern of nanoantennas to develop a new way of turning infrared light into mechanical action, opening the door to more sensitive infrared cameras and more compact chemical-analysis techniques.