We trust our memories because they feel natural, and we trust time because it seems to flow in only one direction. Physics, however, allows for stranger possibilities that challenge our intuition. In ...

A new study co-authored by SFI External Professor Laura Fortunato (University of Oxford), challenges a long-standing claim that polygynous marriage, where men have multiple wives, creates a surplus of ...

The SFI Press endeavors to make available the best of complexity science quickly and affordably, to provide a distillation of discussions, debates, and meetings across a wide range of topics. To ...

A new study co-authored by SFI External Professor Laura Fortunato (University of Oxford), challenges a long-standing claim ...

Polygyny is thought to be more prevalent where male wealth inequality is greater; however, the decline of polygyny in most of the world occurred with the emergence of capital-intensive farming with ...

Societies today face daunting challenges: population growth, rapid urbanization, ecological and environmental disturbances, and an unpredictable global marketplace. To address these complex and ...

This paper tests two of the simplest and most popular trading rules--moving average and trading range break, by utilizing a very long data series, the Dow Jones index from 1897 to 1986. Standard ...

In the final episode of the season, Abha sits down with Melanie to hear her perspective. They chat about Melanie’s career and research with Douglas Hofstadter, the author of Gödel, Escher, Bach. They ...

The Graduate Workshop brings together a group of advanced Ph.D. students and a small faculty for an intensive two-week study of computational social science modeling and complexity. Participants will ...

A December 10–12 working group met to bring together researchers from two fields — neuromorphic computing and stochastic thermodynamics — to think about ways our built computers might replicate the ...

The thermodynamic restrictions on all systems that perform computation provide major challenges to modern design of computers. For example, at present ~5% of US energy consumption is used to run ...