Artificial-intelligence systems have made remarkable progress in recent years, but they still struggle with the kind of ...

In the 1980s and ’90s, SFI played laboratory to a promising new method known as agent-based modeling. In ensuing decades, agent-based models (ABMs) proliferated across many fields, including economics ...

Complexity Postdoctoral Fellow Maike Morrison builds mathematical tools to quantify and compare biological variation. Her ...

SFI Resident Professor Melanie Mitchell has received a 2025 Eric and Wendy Schmidt Award for Excellence in Science ...

Why do people make short-term decisions that may not be in their long-term interest? An October 22-25 working group takes stock of a new body of evidence from experiments and observations to explore ...

Global markets are complex systems, shaped by feedback loops, sudden shocks, and adaptive behavior that rarely follow textbook rules and that can’t be captured by neat equations. At its core, ...

In 2022, SFI donor Hank Schuyler launched an innovative fund that supports exploratory, boundary-breaking science among SFI’s postdoctoral fellows. Honoring Hank’s late wife, the Lou Schuyler Seed ...

In a recent op-ed in PNAS, SFI External Professor Michael Hochberg and co-author Paul Rainey explore whether deepening interdependence between humans and AI could lead to a new form of evolutionary ...

It might start as a joke, a belief, or a rumor. At first, it’s easy to dismiss. But then it gains a twist, builds momentum, and spreads like wildfire. What causes some ideas to die out while others ...

In a network, pairs of individual elements, or nodes, connect to each other; those connections can represent a sprawling system with myriad individual links. A hypergraph goes deeper: It gives ...