Carlo Siracusa of the School of Veterinary Medicine says it’s normal for pets to cycle through daily periods of sleep and rest.

Descendants of Penn physicist Arthur Goodspeed have donated some of the earliest known X-ray images to the University, marking a pivotal moment in the birth of radiology in the U.S.

Dennis Culhane of the School of Social Policy & Practice discusses the difficulty of recovering from substance abuse while being homeless.

Scientists at Penn report that young people who got infected twice with COVID-19 were twice as likely as those who got COVID-19 once to develop Long COVID symptoms.

Dorit Aviv of the Weitzman School of Design discusses the Thermal Architecture Lab.

Anish A. Sheth of Penn Medicine discusses digestion.

Dave the Helpful Hound's mission is to brighten the days of hospital patients and staff at the University of Pennsylvania Hospital. 

Emily Falk of the Annenberg School of Communication discusses her new book, “What We Value: The Neuroscience of Choice and Change.”

César de la Fuente of the Perelman School of Medicine, School of Engineering and Applied Science, and School of Arts & Sciences has been using AI to discover antibiotics for about a decade.