School of Arts & Sciences

The last glacial maximum was a time when Earth’s far northern and far southern latitudes were largely covered in ice sheets and sea levels were low. Over much of the planet, glaciers were at their greatest extent roughly 20,000 years ago.

Katherine Unger Baillie ・August 26, 2013

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.

Jacquie Posey August 21, 2013

It was a big day for 10 high school students gathered in Fisher-Bennett Hall at the University of Pennsylvania. The 15-, 16- and 17-year-olds enrolled in Penn’s Art in the City Academy were preparing to give their final presentations.

Jacquie Posey August 14, 2013

Both basic scientists and clinicians have an interest in how the cells of our body move. Cells must be mobile in order for organisms to grow, to heal, to transmit information internally, to mount immune responses and to conduct a host of other activities necessary for survival.

Katherine Unger Baillie ・August 12, 2013

A new analysis of dinosaur fossils by University of Pennsylvania researchers has revealed that a number of specimens of the genus Psittacosaurus — once believed to represent three different species — are all members of a single species.

Katherine Unger Baillie ・August 9, 2013

University of Pennsylvania senior Elizabeth Hyde has spent the past two months in Paris to observe and evaluate a much-appreciated element of French culture: the meal.

Madeleine Kruhly ・August 9, 2013

Steven Scarfone is spending 10 weeks this summer investigating the mechanisms of pediatric traumatic injury as a participant in the University of Pennsylvania’s Injury Science Research Experiences for Undergraduates program.

Madeleine Kruhly ・August 6, 2013

Through Friday, Aug. 16, multiple locations across the University of Pennsylvania campus will serve as drop-off points for the Penn Volunteers in Public Service’s annual back-to-school drive.

Jill DiSanto ・August 6, 2013

Using direct human brain recordings, a research team from the University of Pennsylvania, Drexel University, the University of California, Los Angeles, and Thomas Jefferson University has identified a new type of cell in the brain that helps people to keep track of their relative loc

Evan Lerner, Britt Faulstick ・August 5, 2013

A new study led by University of Pennsylvania researchers involves a classic case of evolution’s fickle nature: a genetic mutation that protects against a potentially fatal infectious disease also appears to increase the risk of developing a chronic, debilitating condition.

Katherine Unger Baillie ・July 29, 2013