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

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

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

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 ...

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, ...

Clinical data (on patients from elephant seals to people) make clear the extraordinary and contradictory powers of the mammalian immune system: a vital line of defense, yet a source of grave danger.

SFI's Postdocs in Complexity Global Conference brings together interdisciplinary early-career researchers from around the world. This year’s conference, held September 15–18, drew 53 accomplished ...

Abstract: Learning about the causal structure of the world is a fundamental problem for human cognition, and causal knowledge is central to both intuitive and scientific world models. However, causal ...

Complexity science can help archaeologists understand how the everyday actions of ancient people accumulated into the large-scale patterns we excavate today. In her new book, Thinking Through ...