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In a two-part lecture series in Santa Fe, economist John Geanakoplos will explore why it is that out of all economic variables, debt causes the most trouble.

In a new paper published in PLOS ONE, researchers describe a recent, rapid, and ongoing invasion of monk parakeets in Mexico, and the regulatory changes that affected the species’ spread.

The body includes the brain — so what role does it play in intelligence? An SFI working group meets to explore morphological computation and a theory of embodied intelligence.

The Economy, a new SFI-inspired textbook, is published in paperback format and as a free, online interactive text. The book aims to address the gap between complex, real-world economic problems and the topics traditionally taught in first-year economics courses.

New research from the Collective Computation Group at SFI finds evidence for a complicated structure behind primate conflict. 

In monogamous mating systems, both male and female birds select partners ornamental traits are desirable to males and females alike.

Colleagues, friends, and family gather to remember the life and work of Harold Morowitz, and to keep moving his ideas forward. 

A three-day working group at SFI meets August 23-25 to explore a leading theory about wealth disparity variation between the Old and the New Worlds. 

SFI Maya Working Group meets for fifth time to produce a second book.

SFI and Arizona State University soon will offer the world’s first comprehensive online master’s degree in complexity science.

A June working group explored ways to model interactions between organisms and a public good, where both can diffuse in space.

Two August workshops convene physicists, computer scientists, and biologists to discuss energy flow during computation.

Sophisticated network analysis means finding relationships that often aren’t easy to see. A new algorithm from an interdisciplinary team at SFI identifies relationships not only within individual layers, but also across multiple layers.

Cells compete for nutrients. Political campaigns compete for voters. According to new research published in Nature Scientific Reports, general principles may begin to explain how differing strategies play out where groups compete for resources.

For rulers in pre-modern states, marrying the right wife was often a path to military victory.

Enroll now for SFI’s Complexity Explorer course "Nonlinear Dynamics" with instructor Elizabeth Bradley, which begins Monday, September 4. 

SFI's free online course, Introduction to Dynamical Systems and Chaos with College of the Atlantic professor David Feldman, begins September 4. Topics to be covered include: phase space, bifurcations, chaos, the butterfly effect, strange attractors, and pattern formation.

A team led by SFI postdoctoral researcher Laurent Hébert-Dufresne asks under what conditions a Zika outbreak might be sustained where mosquitos play no role.

The Omidyar Postdoctoral Fellowship program is looking for creative thinkers to spend up to three years at the Santa Fe Institute. Apply before October 29.

Farley Ziegler, Tim Jenison, and SFI Professor Jessica Flack presented an SFI Community Lecture on painting and optics in the 17th Century and a screening of Tim's Vermeer at The Lensic Performing Arts Center on August 1.