Biologists at UCLA used a natural experiment during the COVID-19 lockdowns to study the effects of human activity on urban ...

Every task we perform on a computer requires different components of the machine to interact with one another — to ...

Mark Twain wrote, “You can’t depend on your eyes when your imagination is out of focus.” InterPlanetary seeks to restore focus at a planetary scale. What terrestrial challenge could provide greater ...

The simulation hypothesis — the idea that our universe might be an artificial construct running on some advanced alien computer — has long captured the public imagination. Yet most arguments about it ...

For most of human history, large societies have drawn clear lines between people who belong to the in-group and those who do not. These lines determine who is recognized, protected, or granted status, ...

Understanding the key drivers of brain aging is essential for effective prevention and treatment of neurodegenerative diseases. Here, we integrate human brain and physiological data to investigate ...

In October, the International Society for Artificial Life recognized several SFI researchers and co-authors with the ISAL Award for Outstanding Publication of 2024. The award celebrates the paper ...

An Introduction to Ergodicity Economics is a new textbook that draws on physics to re-examine traditional economic theory. It begins with flipping a coin. And a hypothetical gambit. Imagine you were ...

Complexity science has become increasingly important as the world has undergone a series of major transitions, including rapid urban densification, increased physical and digital connection, the rise ...

Three SFI External Professors and their collaborators received a 2025 SAF Research Award from the Shanghai Archaeology Forum for their ongoing project, “The Global Dynamics of Inequality over the Long ...

When scientists test algorithms that sort or classify data, they often turn to a trusted tool called Normalized Mutual Information (or NMI) to measure how well an algorithm’s output matches reality.

From Beowulf to Pride and Prejudice to the classic sitcom Friends, all stories share a common purpose: to convey knowledge about how to navigate the world. “Stories are everywhere,” says SFI External ...