New physics-defying nanomaterial gathers water from air directly
Daeyeon Lee of the School of Engineering and Applied Science and colleagues have discovered a new class of nanostructured materials that can pull water from the air, collect it in pores, and release it onto surfaces without any external energy.
Catholic League tells Washington to adopt church’s law
Anthea Butler of the School of Arts & Sciences comments on the separation of church and state.
Autonomous weapon systems: No human-in-the-loop required, and other myths dispelled
Michael C. Horowitz of the School of Arts & Sciences and Perry World House authors a piece about autonomous weapon systems.
Karoline Leavitt said Trump’s ‘big, beautiful bill’ won’t add to the deficit. It will
The Penn Wharton Budget Model estimates that annual deficits will cumulatively increase by about $3.2 trillion during the next 10 years.

(From left) Interim Dean of Penn’s School of Arts & Sciences and William R. Kenan, Jr. Professor of Music History Jeffrey Kallberg; Philadelphia Police Commissioner Kevin Bethel; Joseph Neubauer; Philadelphia Mayor Cherelle Parker; Jeanette Lerman-Neubauer; professor of criminology John MacDonald; and Deputy Provost Beth A. Winkelstein.
(Image: Brooke Sietinsons)
Penn, Neubauer Family Foundation, and Philadelphia Police Department partner to support police leadership education
Letters to the editor: Remove barriers
In a letter to the editor, Dean Antonia Villarruel of the School of Nursing explains why Pennsylvania should allow full practice authority for advanced registered nurse practitioners.
Loss of Medicare Part D subsidy linked to higher mortality among low-income older adults
A.I. is poised to revolutionize weather forecasting. A new tool shows promise
Paris Perdikaris of the School of Engineering and Applied Science and collaborators at Microsoft Research have created Aurora, a low-cost AI model that can predict a wide range of environmental events.
Trump and GOP’s tax bill would force cuts to Medicare, CBO says
Eric Roberts of the Perelman School of Medicine says that the size of Medicaid and Medicare programs and the number of people they impact means that no single piece can be cut without cascading effects.
Target stumbles as tariffs hit earnings and sales fall amid DEI backlash
Americus Reed of the Wharton School says that Target has become the poster child for consumer blowback to the shift away from DEI policies.