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What stiffening lung tissue reveals about the earliest stages of fibrosis
Donia Ahmed prepares tissue for imaging.

Image: Courtesy of Penn Engineering Today

What stiffening lung tissue reveals about the earliest stages of fibrosis

A Penn Engineering team has targeted the lung’s extracellular matrix to better understand early fibrosis by triggering the formation of special chemical bonds that increase tissue stiffness in specific locations, mimicking the first physical changes that may lead to lung fibrosis.

Melissa Pappas

2 min. read

OpenAI, DeepSeek, and Google vary widely in identifying hate speech
Two people work on coding at computer.

Image: Kindamorphic via Getty Images

OpenAI, DeepSeek, and Google vary widely in identifying hate speech

Neil Fasching and Yphtach Lelkes of the Annenberg School for Communication have found dramatic differences in how large language models classify hate speech, with especially large variations for language about certain demographic groups, raising concerns about bias and disproportionate harm.

2 min. read

Penn Engineers send quantum signals with standard internet protocol
Yichi Zhang wearing sunglasses in the Penn Engineering lab.

Yichi Zhang, a doctoral student in materials science and engineering, inspects the source of the quantum signal.

(Image: Sylvia Zhang)

Penn Engineers send quantum signals with standard internet protocol

Penn engineers have developed a “Q-Chip” (quantum-classical hybrid internet by photonics) signal which coordinates quantum and classical data and can run on the same infrastructure that carries everyday online traffic.

Ian Scheffler

2 min. read

White coat ceremonies: A professional milestone
Four students celebrating in white coats after Penn’s white coat ceremony.

nocred

White coat ceremonies: A professional milestone

The School of Dental Medicine, Perelman School of Medicine, and School of Veterinary Medicine marked the start of the semester with white coat ceremonies for their students.

2 min. read

What is real about human-AI relationships?
A screenshot of a Replika chatbot screen.

Image: Courtesy of Annenberg School for Communication

What is real about human-AI relationships?

In a new paper, Annenberg School for Communication doctoral student Arelí Rocha explores how people discuss their relationships with AI chatbots.

Hailey Reissman

2 min. read

The poetry of ancient math
Medieval mathematical manuscript written in vernacular Malayalam script on palm-leaf

Medieval mathematical manuscript written in vernacular Malayalam script on palm-leaf at the Oriental Research Institute and Manuscripts Library, Thiruvananthapuram, India. Ph.D. student Priya Nambrath is using manuscripts like these to better understand “a deeply grounded and long-lasting mathematical tradition.”

(Image: Courtesy Priya Nambrath)

The poetry of ancient math

The methods and findings of pre-modern Indian mathematicians remain poorly understood. Priya Nambrath, a doctoral candidate in the School of Arts & Sciences’ Department of South Asia Studies, wants to change that.

From Omnia

2 min. read

Curiosity, STEM, and a summer on campus
Two high school students woking with pipettes in a science classroom.

nocred

Curiosity, STEM, and a summer on campus

The Penn Research Experience for High School Students gives Philadelphia 11th and 12th graders a rare opportunity to tackle college-level research.

From Omnia

2 min. read

Disaster simulation trains nursing students in mass casualty incident response
Nursing students help man on floor in disaster simulation.

nocred

Disaster simulation trains nursing students in mass casualty incident response

The School of Nursing—in collaboration with Penn Medicine, the School of Social Policy & Practice, and the Division of Public Safety—held a disaster simulation, with graduate nursing students responding to volunteer actors injured in a mock explosion.

4 min. read

A hands-on education of Pennsylvania and New Jersey ecology
Three people walking through a field.

One of six field trips in Sally Willig’s Regional Field Ecology class took students to Natural Lands’ Mariton Wildlife Sanctuary.

(Image: Chi-Hyun Kim)

A hands-on education of Pennsylvania and New Jersey ecology

Sally Willig has been teaching Regional Field Ecology at Penn since 1999, educating students about plants, soils, and more at sites such as Ringing Rocks County Park and the Pine Barrens.

4 min. read