Reducing Medical Errors
![time](https://ndg.asc.upenn.edu/wp-content/uploads/2023/07/Screen-Shot-2023-07-29-at-12.49.33-PM.png)
Fixing Implicit Bias
![wash_post](https://ndg.asc.upenn.edu/wp-content/uploads/2021/11/LA-Times-Logo.png)
Influencers & Optimal Seeding
Change: How To Make Big Things Happen
Emergence of Categories
The Wisdom of Partisan Crowds
![](/wp-content/uploads/2019/05/new-study-highlights-the-benefit-of-political-echo-chambers.jpeg)
![economic_times](/wp-content/uploads/2016/01/2000px-Scientific_American_logo.svg_.png)
Communicating Climate Change
How Behavior Spreads
Creating Critical Mass
Collective Intelligence
Support or Competition?
PennSHAPE
Op-ed: Controlling Public Opinion
![the-dress](/wp-content/uploads/2016/01/the-dress.jpg)
Emergence of Social Norms
CNN: Similar friends may spread healthy behaviors
![cnn-article-2011](/wp-content/uploads/2016/04/cnn-article-2011.jpg)
Spreading Behavior Online