Cosmologists have established that much of the stuff of the universe is made of dark matter, a mysterious, invisible substance that can’t be directly detected but which exerts a gravitational pull on surrounding objects.
A group of scholars at the University of Pennsylvania is working to make the skill of reading manuscript text a hallmark of the Japanese studies program at Penn.
There are about 4,000 alternative currencies in use around the world, and they vary widely. In Zimbabwe, a country with so much hyperinflation that it hasn’t had a national currency since 2009, people create colorful non-bank notes and barter for goods and services.
Franklin Allen of the Wharton School says Japan has a long-term debt problem and predicts financial stability if long-term government bond yields rise.
Mariell Jessup of the Perelman School of Medicine is quoted about the increase in heart ailments in Japan spawned by the 2011 natural disaster.
PHILADELPHIA — An international team of astronomers has discovered a huge mass of warm water vapor in the central regions of a distant quasar, marking the farthest place in the universe that water has been detected.