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What can ants and naked-mole rats teach about societal roles?
Leafcutter ants moving around a bright green leaf.

In eusocial superorganisms like leafcutter ant colonies, labor is divvied up according to body shape and size, but PIK Professor Shelley Berger and her team discovered that molecular signals can override that blueprint. Their findings reveal how simple neuropeptides can reprogram ant behavior, reshuffling roles in nature’s most disciplined workforce.

(Image: Courtesy of Tierney Scarpa)

What can ants and naked-mole rats teach about societal roles?

PIK Professor Shelley Berger and colleagues explored the genetic basis of labor distribution in communal-dwelling species and discovered that pathways dating back hundreds of millions of years are conserved across animal kingdoms. Their findings offer fundamental insights into complex social behaviors.

5 min. read

How cable news has diverged from broadcast news
Person sitting on couch watching news.

Image: simonkr via Getty Images

How cable news has diverged from broadcast news

A team of researchers from the Computational Social Science Lab at the University of Pennsylvania find that cable news has increasingly diverged from broadcast news in the topics covered and language used.

3 min. read

Shelley Berger honored by AACR for cancer research

Shelley Berger honored by AACR for cancer research

Berger, the Daniel S. Och University Professor with appointments in the Perelman School of Medicine department of Cell & Developmental Biology and a Penn Integrates Knowledge Professor in the School of Arts & Sciences, is recognized for her outstanding contributions to cancer research by the American Association for Cancer Research with the 2025 AACR-Women in Cancer Research Charlotte Friend Lectureship.

People select feedback to flatter others, except when they dislike them

People select feedback to flatter others, except when they dislike them

New research by Penn’s Social Action Lab research associate Xi Shen and PIK Professor Dolores Albarracín finds that people generally want to make other people feel good about themselves—unless they dislike that person.

From the Annenberg Public Policy Center

2 min. read

‘I Will Vote’: Using future-oriented frames to motivate voters
A person affixes an I VOTED sticker to their t-shirt.

Image: kali9 via Getty Images

‘I Will Vote’: Using future-oriented frames to motivate voters

A new paper from Penn’s Annenberg Public Policy Center examines whether “I Voted” stickers influence people’s voting intentions, and whether different language choices in this approach to voter outreach might make a bigger impact on civic engagement.

From the Annenberg Public Policy Center

2 min. read

Changing neighborhoods, changing times
Lance Freeman stands with hands in pockets outside of a building.

Penn Integrates Knowledge Professor Lance Freeman, of the Weitzman School of Design and the School of Arts & Sciences, studies how people interact with the built environment. 

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Changing neighborhoods, changing times

Penn Integrates Knowledge University Professor Lance Freeman of the Weitzman School of Design and School of Arts & Sciences studies how people interact with the built environment.

Kristina García

School cell phone bans: Annenberg expert reframes the issue

School cell phone bans: Annenberg expert reframes the issue

PIK Professor Desmond Upton Patton discusses school cell phone bans, how communities can encourage the safe use of smartphones, and the importance of embracing the positive aspects of life online.

Dolores Albarracín honored with BBVA Foundation Frontiers of Knowledge Award
Dolores Albarracin.

Image: Kyle Cassidy/Annenberg School for Communication

Dolores Albarracín honored with BBVA Foundation Frontiers of Knowledge Award

Albarracín, a PIK Professor with appointments in the Annenberg School for Communication and School of Arts & Sciences, is being recognized for increasing “our understanding of how attitudes can be changed, particularly with regard to persuasive messages.”
Many Gen Zers deal with higher rates of mental health challenges and firearm suicides, according to a new report

Many Gen Zers deal with higher rates of mental health challenges and firearm suicides, according to a new report

PIK Professor Desmond Patton says that more young people are speaking openly about mental health, especially on social media. College of Arts and Sciences first-year Anvesha Guru says that cultural attitudes about guns and mental health need more than a simple shift.