Itamar Drechsler of the Wharton School says that most acquisition of credit card customers happens directly and without a branch, which explains why American Express is the biggest spender on marketing.

Anthea Butler of the School of Arts & Sciences discusses what an American pope means for U.S. Catholics.

Chris D’Avella of the Perelman School of Medicine says that are certain targetable mutations in tumors that drive the growth of non-smoking-related lung cancer.

Kermit Roosevelt of Penn Carey Law says that the late David H. Souter was a judge’s judge, without any political agenda.

Santiago Gallino of the Wharton School says, “Self-checkouts are not going away, but their role is evolving.”

Emily Ko of the Perelman School of Medicine points to at-home cancer screening as a means to fill a gap in cancer detection.

Richard Doty of the Perelman School of Medicine says people taking some weight-loss drugs experience a reduced sensitivity to all five basic tastes.

Hari Shankar of the Perelman School of Medicine lists some health dangers from air pollution.

Kristen Ghodsee of the School of Arts & Sciences comments on Americans and the nuclear family.