Greg Johnson

On any given day, there are between 200,000 and 400,000 ex-prisoners living in Philadelphia, nearly 20 percent of the city’s population.

Penn Law students Sarah Ashfaq, Niki Amalu, Colin McIntyre, Rachel Loftspring and Rushmi Ramakrishna outside the Amnesty Commission in Uganda.

Photo credit: Mark Stehle

Photo credit: Mark Stehle WHO SHE IS: Industrial Hygienist, Office of Environmental Health and Radiation Safety TIME AT PENN: 6 years

Every May, thousands of Penn students go home for the summer, leaving behind furniture, appliances and other items they are unable to transport across the state, country or world. Glenn Stieffenhofer, associate director of housing operations, says “tons and tons of food, furnishings, lots of books, and lots of clothing” are thrown away.

Photo credit: The Historical Society of Pennsylvania

WHAT: “Remembered Light: Destruction and Resurrection, Glass Fragments from World War II,” a free exhibit at the Arthur Ross Gallery, 220 S.

Mark Stehle YOUTH VOTE: Since his early teens, the Political Science/Communications

For nearly 7 million years, human beings have roamed the earth, evolving, adapting and surviving. Our brains have expanded, our bodies have grown and we are much better communicators.

World-renowned addiction expert Charles O’Brien, of Penn’s Charles O’Brien Center for Addiction Treatment, says addiction is a “physical change in the brain” that causes “compulsive drug-seeking behavior.”