Santa Fe Institute

Santa Fe Institute "A Justice League for renegade geeks."
- Rolling Stone

Searching for Order in the Complexity of Evolving Worlds Debate with civility. No spamming.

As an institute, we are committed to transparency, civility in debate, and mutualistic good faith criticism in the service of scientific exploration. We have not and will not blocked accounts on the grounds of scientific criticism, but reserve the right to mute, unfollow, or block accounts for the violation of our social media policy:

1. We are here to share knowledge and resources and learn from

each other. Critique and debate respectfully, to the degree it is humanly possible — we all know about the perverse affordances and incentive structures of social media, and how they reward knee-jerk reactions, outrage, and inflammatory polarizing discourse. Science is inherently pluralistic and we celebrate that; it’s also a human enterprise, and humans are fallible. We practice humility as we stand together in the face of the world’s deepest mysteries, and encourage you to join us in this practice as a prerequisite for effective collaborative discovery.

2. Establish relevance and keep things in context. Frame your posts to help others understand how they're linked to the study of complex adaptive systems. Please make an effort in threads to read relevant linked material before commenting, and to point to actual research when possible in your replies.

3. No political or religious arguments. If you think an idea is scientifically unsound, offer constructive critique and link to supportive research. Be willing to learn and change your mind. Attack ideas, not people. Spam (meaning irrelevant self promotions) will be filtered aggressively to maintain cohesive discourse.

4. Don't waste people's time. We all get lots of notifications and there are always plenty of bystanders on large public threads, so please make sure you're contributing something worthwhile to the discussion. Again, read articles and threads before commenting. Please respect the limited time and energy of our communications staff, our scientists, and our audience. We’ll do the same for you.

5. Participation is conditional. In order to ensure the best possible learning experience for everyone, SFI reserves the right to hide/remove posts or comments, and/or rescind social media connections or forum memberships at any time. We also follow and unfollow accounts routinely in order to shape our newsfeeds according to current research and communications priorities. No one is entitled to a public response about why we chose to do so. Omnia Exeunt In Mysterium,

SFI

Catch up on SFI’s recent Community Lecture “The Indefinite Sublime: Tom McCarthy on Moby-Dick.”In this lecture, McCarthy...
09/02/2026

Catch up on SFI’s recent Community Lecture “The Indefinite Sublime: Tom McCarthy on Moby-Dick.”

In this lecture, McCarthy reflected on the richness and complexity of Melville’s novel, and on why Moby-Dick still invites new ways of reading and thinking.

Watch on SFI’s YouTube channel: http://youtu.be/pwbQ6TMr4jQ

The Santa Fe Institute is hiring a postdoctoral fellow to work with SFI Professor David Wolpert on the thermodynamic cos...
08/31/2026

The Santa Fe Institute is hiring a postdoctoral fellow to work with SFI Professor David Wolpert on the thermodynamic cost of distributed computation, from digital circuits and neural networks to human brains.

We are seeking a scholar with expertise in physics, computer science, or related fields. Ideal candidates have a background in stochastic thermodynamics, statistical physics, or theoretical computer science, and strong programming skills. The position is in person in Santa Fe, New Mexico.

Application: https://santafe.edu/about/jobs/post-doc-thermodynamics

A random walk is a simple model of motion: each step goes in a randomly chosen direction. It's a useful approach to stud...
08/28/2026

A random walk is a simple model of motion: each step goes in a randomly chosen direction. It's a useful approach to studying random motion, from molecules in a gas to stock-market fluctuations, and it usually assumes the walker is moving through surroundings that stay fixed.

Much of the world isn't like that. Molecules, cells, and microbes get where they're going by shoving other things aside, deforming the medium as they cross it. In a new paper in Physical Review Letters, SFI Professor Sidney Redner and colleagues propose a model in which the walker can push obstacles out of its way, and work out what a rearranged medium does to the walk.

https://www.santafe.edu/news-center/news/random-walks-get-pushy

While "optimism" isn't quite a taboo word in science, it is not a sentiment most scientists would use to describe their ...
08/26/2026

While "optimism" isn't quite a taboo word in science, it is not a sentiment most scientists would use to describe their outlook. So much of the process of science is defined by failure, and successes are caricatured as intrepid scientists raging against a status quo machine.

In his new book, It Could Be Otherwise, neurobiologist and SFI Fractal Faculty Stuart Firestein proposes a subtly radical notion: that optimism, as much as conflict, has always been a character in the development of modern science, and that it should be named and clarified. Doing so, he argues, can lead to a more creative and integrative scientific endeavor, writes SFI Professor C. Brandon Ogbunu in this review.

https://www.santafe.edu/news-center/news/the-complexity-of-scientific-optimism-a-review-of-it-could-be-otherwise

Animals forage, immune cells patrol the body for pathogens, and algorithms trawl for optimal solutions to thorny problem...
08/25/2026

Animals forage, immune cells patrol the body for pathogens, and algorithms trawl for optimal solutions to thorny problems. In natural and artificial systems alike, the act of searching is ubiquitous, says SFI Complexity Postdoctoral Fellow Aanjaneya Kumar.

It's also complicated: searchers may die off or disappear, and new searchers can join the hunt. In a new paper in Physical Review Letters, Kumar and Samantha Linn, a mathematician at Imperial College London, describe how that shifting cast shapes the search, an influence that has until now remained largely unexplored.

https://www.santafe.edu/news-center/news/change-the-number-of-searchers-change-the-efficiency-of-a-quest

Applications for the 2027 Santa Fe Institute Complexity Postdoctoral Fellowships are open. Collaborate with researchers ...
08/24/2026

Applications for the 2027 Santa Fe Institute Complexity Postdoctoral Fellowships are open. Collaborate with researchers from around the world. Chart your own transdisciplinary path.

With a competitive salary, discretionary research and travel funds, and a generous benefits package including paid family leave, the fellowship offers early-career scholars the opportunity to become leaders in transdisciplinary research.

Deadline: September 30, 2026

Requirements & application: santafe.edu/sfifellowship

Influenza spreads faster in a crowded barracks or prison. Ebola proliferates when hospital beds run short. For decades, ...
08/19/2026

Influenza spreads faster in a crowded barracks or prison. Ebola proliferates when hospital beds run short. For decades, researchers have documented how social inequality shapes disease spread. In parallel, mathematical models have emerged for forecasting epidemics and weighing different public health interventions. But rarely have the two subfields of epidemiology joined forces.

A new paper in Biology Letters, led by SFI Resident Professor Brandon Ogbunu with SFI External Professor Sam Scarpino (Northeastern University) and collaborators, introduces a metric called "structural causal influence" that quantifies how factors like crowded housing, limited vaccine access, and financial barriers shape the way disease spreads, and whether public health interventions will actually work.

https://www.santafe.edu/news-center/news/modeling-social-inequality-in-epidemics

In this seminar, SFI External Professor Holly Moeller (University of California, Santa Barbara) explores how organisms g...
08/17/2026

In this seminar, SFI External Professor Holly Moeller (University of California, Santa Barbara) explores how organisms gain access to metabolism from other species through interactions ranging from mutualism to predation.

Using examples including chloroplast-stealing marine microbes and tree-fungal mutualisms, she examines how acquired metabolism can drive niche expansion and evolutionary diversification.

Watch Moeller's SFI seminar: http://youtu.be/wmLSrpC2ujg

SFI welcomes new External Faculty members for 2026. They enrich our networks of interactions, help us push the boundarie...
08/14/2026

SFI welcomes new External Faculty members for 2026. They enrich our networks of interactions, help us push the boundaries of complex-systems science, and connect us to more than 70 institutions around the globe.

This year, six new researchers joined SFI’s External Faculty:

- Henry Farrell (Johns Hopkins University)
- Robert Goldstone (Indiana University Bloomington)
- Hahrie Han (Johns Hopkins University)
- Holly Moeller (University of California, Santa Barbara)
- Washington Taylor (Massachusetts Institute of Technology)
- Elke Weber (Princeton University)

Learn more about them: https://www.santafe.edu/news-center/news/sfi-welcomes-2026-external-professors

08/12/2026

Applications for the 2027 Complexity Postdoctoral Fellowships are open through September 30.

Katrin Schmelz just completed SFI’s Complexity Postdoctoral Fellowship, and she reflects on what the experience meant to her. A behavioral economist and psychologist, Schmelz shares what drew her to the Santa Fe Institute and why the fellowship's intellectual freedom made it worthwhile.

Deadline: September 30, 2026

Requirements & application: santafe.edu/sfifellowship

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