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Decoding ancient immunity networks
Hand holding a blood vial that reads "complement (C3 + C4)"

Decoding ancient immunity networks

A collaborative team from Penn Medicine and Penn Engineering have  unraveled the mathematics of a 500-million-year-old protein network that ‘decides’ which foreign materials are friend or foe.

5 min. read

Exhibition as conversation
Exterior view of “(Ex)Urban Futures of the Recent Past” artwork.

Exhibition as conversation

For three faculty members in the Department of Fine Arts, curating exhibitions offers the opportunity to explore relationships between works of art, art and politics, history, and the environment.

2 min. read

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

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

https://in-principle-and-practice.upenn.edu/
Students walk beneath The Covenant on Locust Walk at dusk

In Principle and Practice

Penn’s strategic framework

Penn’s guiding principles are the University’s enduring values and distinctive strengths: anchored, inventive, interwoven, and engaged. The practices support and strengthen Penn’s core educational mission. 

At Penn Today, we focus on some of the ways the University is putting this framework into action. From student, faculty, and staff profiles to research updates and event coverage, Penn Today highlights the latest examples of the University’s principled approach to excellence.

Keeping it local: Penn’s partnerships with Philadelphia-based vendors boost local economy, neighborhood impact
Nikisha Bailey and Matthew Nam, co-founders of Win Win Coffee, a Philadelphia-based coffee supplier and Penn vendor.

Keeping it local: Penn’s partnerships with Philadelphia-based vendors boost local economy, neighborhood impact

According to the University’s latest Economic Impact Report, Penn helps power Philadelphia’s economy by procuring goods and services from neighboring businesses. Local CEOs discuss the meaningful impact that Penn has on their bottom line and in the community.

7 min. read

Nourish to Flourish
Inaya Zaman, Rashmi Acharya, and Imani Nkrumah Ardayfio.

Nourish to Flourish

Using behavioral economics-based interventions, a 2025 President’s Engagement Prize-winning project will address health and nutrition inequities in a West Philadelphia elementary school.

7 min. read

Penn lends support to Rebuilding Together Philadelphia effort repairing 11 local homes in two days
Volunteers smiling and carrying tools and supplies during the block build event.

Penn lends support to Rebuilding Together Philadelphia effort repairing 11 local homes in two days

Marking a milestone block build, 70 Penn volunteers combined forces with Rebuilding Together Philadelphia, a nonprofit with roots at the University, to revitalize owner-occupied houses in the West Philadelphia community. The momentous two-day event involved a block build and speaking program—with a local homeowner sharing a heartfelt message.

2 min. read

Penn in the News

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  • How to better brainstorm with ChatGPT in five steps
    The Washington Post

    How to better brainstorm with ChatGPT in five steps

    A study by Christian Terwiesch of the Wharton School and colleagues finds that the results of generative AI brainstorming can be surprisingly alike with just slight variations, limiting the pool of diverse responses.

    Does the color purple really exist?
    Live Science

    Does the color purple really exist?

    Elizabeth (Zab) Johnson of the Wharton School says that color is entirely the process of human neural machinery.