The Warren Center for Network & Data Sciences

Christopher S. Yoo Christopher Yoo has emerged as one of the world’s leading authorities on law and technology. One of the most cited scholars in administrative and regula...

Christopher Yoo (Co-Director) is the Imasogie Professor in Law and Technology at Penn Carey Law. Founding Director of the Center for Technology, Innovation & Competition, his research spans internet connectivity, AI governance, and First Amendment issues in social media regulation.

Research - Center on Media, Technology and Democracy

Duncan Watts (Co-Director) is the Stevens University Professor with appointments in Annenberg, CIS, and Wharton. He directs the Computational Social Science Lab and PennMAP, dedicated to enhancing media transparency and accountability across the entire information ecosystem.

We're proud to introduce the 24 affiliated faculty of the Penn Center on Media, Technology and Democracy — distinguished by their rigorous empirical research advancing our understanding of the information ecosystem and its impact on democracy. 🧵

Research by Warren Center faculty affiliate Hamsa Bastani shows that giving learners on-demand AI assistance can erode practice, “productive struggle,” and long-term skill growth—even when they know it harms their learning. knowledge.wharton.up...

Penn Today spoke with David Meaney, vice provost for research, about the research initiatives at Penn, the institution's priorities, future growth plans, and how these efforts are improving lives.

Read More: https://bit.ly/46JaFYa

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“Even when AI is used with good intentions, the systems themselves can cause harm because of what’s baked into them from the very start,” said Warren Center affiliate Chris Callison-Burch. “AI is learning from internet data, which reflects us, our society and our history.” www.seas.upenn.edu/s...

The Endangerment Finding and the Future of EPA’s Authority Energy policy research from the University of Pennsylvania

PODCAST: The EPA has rescinded the endangerment finding, the legal foundation of federal climate regulation. @penncareylaw.bsky.social professors @cary-coglianese.bsky.social & @shelley-w.bsky.social examine the legal strategy behind EPA's rescission and the court challenges ahead.

Scientific Paper Planner - AI-Powered Research Planning Structure your scientific research with AI-powered guidance. From hypothesis to methodology, plan your research paper with intelligent mentoring.

You heard me talk about the app that helps scientists plan research (planyourscience.com) that I have been building. Join our webinar to talk with us about it. Signup here forms.monday.com/forms/5f4755...

In the latest episode of Penn Engineering's Innovation & Impact podcast, Warren Center affiliate Vijay Kumar sat down with Tsu-Jae Liu, President of the National Academy of Engineering and a pioneering force in semiconductor technology. Watch here: www.youtube.com/watc...

Beyond delighted to see this awesome paper from superstar Audrey Luo now out. See her wonderful thread below re: two highly-replicable axes of white matter development in youth.

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Congratulations to Neil Fasching, Annenberg's doctoral student, who successfully defended his dissertation today!
 
Fasching's dissertation is titled "Partisan Airwaves: Quantifying Misinformation and Toxicity in Political Podcasting."
 
Join us in congratulating Dr. Fasching!

Two Warren Center affiliates were part of an advisory committee that created a roadmap for regulating AI in Pennsylvania. Cary Coglianese and Richard Berk spent over a year studying how other states are responding, assessing AI's role across major sectors. penntoday.upenn.edu/...

“You need to be able to understand other people's ideas and perspectives to bring out the best, most ingenious solutions,” says Tsu-Jae King Liu, President of the National Academy of Engineering. Episode 9 of "Innovation & Impact" is live. https://bit.ly/3OyMgOJ

Transforming community health and social connections in rural areas of the US | Penn Today Dolores Albarracín, the Amy Gutmann Penn Integrates Knowledge University Professor, has long studied how to curb disease and improve health.

Dolores Albarracín, the Amy Gutmann Penn Integrates Knowledge University Professor, has long studied how to curb disease and improve health.

Sometimes you gotta split the difference. From Aaron Roth's (@aaroth.bsky.social) plenary talk at #ALT2026

February 22, 2026 On February 6, four direct descendants of President Theodore Roosevelt wrote to United States senators to ask them to vote against a measure that opens up the Boundary Waters Canoe Area Wilderness (BW...

Shout out to Heather Cox Richardson (@hcrichardson.bsky.social) for quoting from The Regulatory Review (@theregreview.bsky.social) in a recent Substack piece of hers. Hat tip to my valued colleague Eric Orts (@ericorts.bsky.social) for pointing me to this. open.substack.com/pub/heatherc...

Evolution, Reward, Curiosity: The Three Sources of Learning Signals Learning requires training signals; where are they from?

Wrote a blog post on where the training signals for the brain come from. open.substack.com/pub/kording/...

A five-year effort led by Warren Center affiliate Dolores Albarracín has worked to combat the spread of HIV and hepatitis C on the frontlines of the substance use and methamphetamine crisis, primarily in Appalachia and the rural Midwest. Find out more: penntoday.upenn.edu/...

Cary Coglianese on the Tariff Ruling and the Rule of Law Cary Coglianese describes the Supreme Court’s decision as a clear affirmation of the rule of law. In his view, the ruling reflects the Court’s willing...

Prof. Cary Coglianese (@cary-coglianese.bsky.social) weighs in on the 6–3 SCOTUS ruling in Learning Resources, Inc. v. Trump, holding that the IEEPA does not authorize presidential tariffs — a decision he calls an important affirmation of the rule of law. https://penncareylaw.news/4rtSCNO

Join our live webinar on March 11 @ 12 pm ET to learn more about PlanYourScience.com the app to help you plan your research and guide you through the process.

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Through his work with C4R and collaborations with @kordinglab.bsky.social and @neuromatch.bsky.social, @gunnarblohm.bsky.social has contributed to training and educational efforts that teach researchers to design better studies, avoid bias, and build more reproducible science.

Congratulations to Warren Center affiliate Surbhi Goel, who has been named a 2026 Sloan Research Fellow! This fellowship recognizes early-career scholars whose creativity, innovation and research accomplishments distinguish them as leaders in their fields. www.seas.upenn.edu/s...

Pennsylvania Commission Releases Report on Current and Potential Impact of AI Across the Commonwealth • News & Events • Penn Carey Law - Pennsylvania News Beep Cary Coglianese, Edward B. Shils Professor of Law and Professor of Political Science

Pennsylvania Commission Releases Report on Current and Potential Impact of AI Across the Commonwealth • News & Events • Penn Carey Law

https://www.newsbeep.com/us-pa/118297/

Cary Coglianese, Edward B. Shils Professor of Law and Professor of Political Science
Prof. Cary Coglianese served…

Cary Coglianese on the Tariff Ruling and the Rule of Law Cary Coglianese describes the Supreme Court’s decision as a clear affirmation of the rule of law. In his view, the ruling reflects the Court’s willing...

The Supreme Court’s decision in the tariff case should be seen as a victory for the rule of law. www.law.upenn.edu/live/news/18...

We built an app to help you plan your research, guide every step, and make your science more rigorous in the process.

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@kordinglab.bsky.social
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Hi bluesky! I was wondering whether you know of any papers that discuss how much easier it is to do a replication study with agentic AI (eg Codex/Claude Code). In the absence of code, it seems like that's a great way to test whether the models reported in a paper were the ones that were fit, etc.

This job has become the ultimate case study for why AI won’t replace human workers | CNN Business Radiology has come up multiple times as an example of a field that’s been impacted by AI without replacing the need for human workers.

Warren Center faculty affiliate René Vidal views AI as particularly useful for capturing high-quality MRI scans with fewer measurements. That speeds up the process and allows more patients to be seen in the same amount of time.

George Gerbner Postdoctoral Fellow Baird Howland Analyzes the News With AI

Baird Howland (Ph.D. ‘25) looks at prominent narratives in the news media and how they shape Americans’ worldviews: