Greg Johnson

More than 100 years have passed since W.E.B. Du Bois wrote “The Philadelphia Negro” and the United States is a much different country. America has grown up and become a more cultured, tolerant, and civilized nation.

Susan Wharton, a wealthy philanthropist from the family that gave the Wharton School its name, set in motion the chain of events that brought historian and sociologist W.E.B. Du Bois to Penn.

ACCIDENTAL BEGINNINGS: Sophomore Alexa Hoover started playing field hockey by accident. When she was 4 years old, her mom tried to sign her up for soccer at the local YMCA, but registration was full.

Like English or any other language, American Sign Language (ASL) has distinct variants that differ from region to region.

To commemorate its 60th anniversary, the Philadelphia Big 5—a college basketball collective comprised of Penn, La Salle, Saint Joseph’s, Villanova, and Temple—is for the first time inducting noteworthy teams into the Big 5 Hall of Fame, one from each member school.

A tour of the Class of 1957 Geology Garden is a virtual pass through time, tens of thousands, hundreds of thousands, millions, or even a billion years.

The world today is very neatly divided into 24 efficient, well-ordered time zones that correspond with the 24 hours in a day. If it’s 2 p.m. in Philadelphia, it’s 11 a.m. in Los Angeles, 7 p.m. in London, 8 p.m. in Paris, 9 p.m. in Tel Aviv, and 4 a.m. tomorrow in Seoul. Time is uniform, but it wasn’t always so. Standardization didn’t begin to emerge until the late 19th century.

The PennCard is the official identification card for students, faculty, and staff at the University, and other members of the Penn community.

Teenagers are notoriously reckless. They engage in risky sexual behaviors, binge drink alcohol, and abuse tobacco and other drugs. Behind the wheel of a car, teenagers are most dangerous, to themselves and others. Motor vehicle crashes are the leading cause of death for U.S. teens, and the risk of crashing is higher among 16 to 19 year olds than any other age group.