Jesús Fernández-Villaverde of the School of Arts & Sciences says that, as people in developing countries move from rural areas to cities, their economic opportunities expand and children become less crucial as a source of agricultural labor.

A study by Nancy Rothbard of the Wharton School and colleagues found that sharing pet pictures is among the best ways to connect with others on social media. Adam Grant of Wharton says that authenticity without empathy is selfish.

Ethan Mollick of the Wharton School explains the value of AI in the workplace.

Michael Mann of the School of Arts & Sciences says that dual heat domes are likely to become more common.

Adeiyewunmi (Ade) Osinubi of the Perelman School of Medicine writes about the rise of uterine cancer, especially among African Americans.

Yi-Wei Chang of the Perelman School of Medicine says that recently visualized hemifusomes in human cells are genuine cellular intermediates, not freezing-induced distortions.

The Armellino Center of Excellence for Williams Syndrome, a collaboration between Penn Medicine and the Children’s Hospital of Philadelphia, is a one-stop shop to seek care for Williams syndrome made possible by a donation from Wharton alum Michael Armellino.