Martin Seligman of the School of Arts and Sciences discusses the difference between the physical and psychological ideas of happiness.
School of Arts & Sciences
Ross Koppel of the School of Arts and Sciences comments on the accuracy of electronic health data.
PHILADELPHIA -- A new mathematical model developed by researchers at the University of Pennsylvania has offered even more evidence of the correctness of evolutionary theory.
Herbert Wilf, Penn’s Thomas A. Scott Emeritus Professor of Mathematics, and Warren Ewens, emeritus professor of biology, say their model directly challenges the long-standing contention among some doubters that evolution couldn't have happened because the small changes in species outlined by the theory simply would have taken too much time to be completed.
PHILADELPHIA –- A new instrument designed, built and operated by a collaboration including University of Pennsylvania astronomer James Aguirre and scientists at the California Institute of Technology, the Jet Propulsion Laboratory, the University of Colorado and Japan's Institute of Space and Astronautical Science, is helping to open new views on a vital epoch of star formation in the early universe, using a convenient natural phenomenon called gravitatio