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Does early-life cellular activity influence cancer and aging?
Artist rendering of chromosome structure with telomeres highlighted at the ends.

Mia Levine and Michael Lampson’s research examines how telomere length is inherited, and how this can inform future genetic research in how cancer develops.

(Image: Courtesy of Getty/nopparit)

Does early-life cellular activity influence cancer and aging?

New research from Michael Lampson and Mia T. Levine in the School of Arts & Sciences offers insight into how telomeres—protective chromosomal caps linked to aging and cancer in mammals—are inherited. Their finding that telomeres become longer or shorter during early embryonic development opens new avenues for research.

3 min. read

A summer in the tick trenches
A person in PPE holding blue painters tape covered in several ticks.

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A summer in the tick trenches

With the help of five Penn undergrads, biology professor Dustin Brisson’s research group collected 9,000 tick specimens this summer to understand how seasonal activity patterns of these arachnids affects human pathogens and what role a changing climate might play.

Kristina Linnea García

2 min. read

Bold ideas and innovation on display at the Fall Research Expo
Houston Hall full of posters and students and visitors at the CURF Poster Expo

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Bold ideas and innovation on display at the Fall Research Expo

On Sept. 15, hundreds of posters were presented throughout Houston Hall at the annual Fall Research Expo, representing the research projects of 410 undergraduate students conducted through the Center for Undergraduate Research.

3 min. read

A deficit in Pennsylvania’s pretrial data
Leo Solga

Leo Solga is a fourth-year political science major in the School of Arts & Sciences.

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A deficit in Pennsylvania’s pretrial data

Arts & Sciences undergraduate Leo Solga has been studying what happens in the Commonwealth of Pennsylvania before someone goes to trial. What he’s learned reveals just how little is understood.

From Omnia

2 min. read

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

Reimagined Penn Medicine facility set to usher in a bold new era of Immune Health discovery
Penn President J. Larry Jameson, Kevin Mahoney and two others cutting a Penn Medicine ribbon at a Ribbon Cutting ceremony.

(From left) Kevin B. Mahoney, chief executive officer of the University of Pennsylvania Health System; Penn President J. Larry Jameson; Jonathan A. Epstein, dean of the Perelman School of Medicine (PSOM); and E. Michael Ostap, senior vice dean and chief scientific officer at PSOM, at the ribbon cutting at 3600 Civic Center Boulevard.

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Reimagined Penn Medicine facility set to usher in a bold new era of Immune Health discovery

3600 Civic Center Boulevard will bring together key researchers and technologies in Immune Health, the Colton Center for Autoimmunity, and infectious diseases to drive breakthrough science.

Eric Horvath

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