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Penn engineers first to train AI at lightspeed
Tianwei Wu (left) and Liang Feng (right) demonstrating some of the apparatus used to develop the new, light-powered chip.

Tianwei Wu (left) and Liang Feng (right) demonstrating some of the apparatus used to develop the new, light-powered chip.

(Image: Sylvia Zhang)

Penn engineers first to train AI at lightspeed

Penn engineers have developed the first photonic chip that reshapes how light behaves to carry out the nonlinear mathematics at the heart of modern AI while reducing energy use.

Ian Scheffler

2 min. read

Nate Silver on statistics: Playing it safe versus embracing risk
Al Filreis and Nate Silver in discussion on stage.

Nate Silver (right) and School of Arts & Sciences Kelly Family Professor of English Al Filreis in conversation at the Stephen A. Levin Family Dean’s Forum.

(Image: Lisa J. Godfrey)

Nate Silver on statistics: Playing it safe versus embracing risk

At the Stephen A. Levin Family Dean’s Forum, statistician Nate Silver spoke with Al Filreis, Kelly Family Professor of English, about his new book and risk-taking, with tangents into hobbies, poker, and baseball.

From Omnia

2 min. read

‘Media and Propaganda in an Age of Disinformation’

‘Media and Propaganda in an Age of Disinformation’

In a new book, Annenberg School for Communication professor Barbie Zelizer and other communication scholars explore media and propaganda across borders, topics, and timelines.

From Annenberg School for Communication

2 min. read

Sean Burkholder and Eva Del Soldato awarded the 2025-26 Rome Prize
headshots of Sean Burkholder and Eva Del Soldato

Penn faculty members Sean Burkholder of the Weitzman School of Design and Eva Del Soldato of the School of Arts & Sciences are among 35 recipients of the 2025-26 Rome Prize, awarded by the American Academy in Rome.

(Images: Courtesy of Sean Burkholder and Eva Del Soldato)

Sean Burkholder and Eva Del Soldato awarded the 2025-26 Rome Prize

Sean Burkholder of the Weitzman School of Design and Eva Del Soldato of the School of Arts & Sciences are among 35 recipients of the 2025-26 Rome Prize, awarded by the American Academy in Rome to support innovative fellows in the arts, humanities, and sciences.

3 min. read

Armoring CAR T cells to take on cancer
3D visualization showing a reddish-blue tumor mass with internal vasculature, surrounded by blue CAR T cells and small extracellular vesicles against a dark background.

Wei Guo of the School of Arts & Sciences and colleagues from the Perelman School of Medicine, School of Veterinary Medicine, and School of Engineering and Applied Science have teamed up to uncover how solid tumors’ complicated microenvironments can manipulate cancer-fighting CAR T cells through extracellular vesicles, causing the engineered CAR T cells to commit fratricide—essentially turning against each other instead of attacking the cancer.

(Image: iStock / Marcin Klapczynski)

Armoring CAR T cells to take on cancer

Wei Guo of the School of Arts & Sciences and colleagues from the Perelman School of Medicine, School of Veterinary Medicine, and School of Engineering and Applied Science have uncovered how solid tumors manipulate cancer-fighting CAR T cells through extracellular vesicles, causing the engineered CAR T cells to commit fratricide—essentially turning against each other instead of attacking the cancer.

3 min. read

Five Penn faculty elected to the American Academy of Arts and Sciences
Top row: Dennis Discher, Michael Correa-Jones, and Cherie Kagan. Bottom row: Sophie Rosenfeld and Susan Weiss.

Top row: Dennis Discher, Michael Correa-Jones, and Cherie Kagan. Bottom row: Sophie Rosenfeld and Susan Weiss.

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Five Penn faculty elected to the American Academy of Arts and Sciences

Dennis E. Discher, Michael Jones-Correa, Cherie R. Kagan, Sophia Rosenfeld, and Susan R. Weiss are being recognized for their contributions to engineering, political science, history, and biology.

3 min. read

Penn IUR enters its third decade
From left: Genie Birch, Judith Rodin, and Susan Wachter

Housed in Meyerson Hall, the Penn Institute for Urban Research (IUR) is a campus-wide enterprise that draws from the collective wisdom of experts around the Penn and beyond to inform urban development and actions on public policy to support the sustainable growth of metros. Now entering its third decade, President Emerita Judith Rodin and Penn IUR co-directors Eugénie Birch and Susan Wachter reflect on the Institute’s history and impact.

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Penn IUR enters its third decade

The Penn Institute for Urban Research enters its second decade. President emerita Judith Rodin and co-directors Eugénie Birch and Susan Wachter reflect on the Institute’s history and impact.

10 min. read