A new normal: Study explains universal pattern in fossil record

Instead of the typical bell-shaped curve, the fossil record shows a fat-tailed distribution, with extreme, outlier, events occurring with higher-than-expected probability. Using the same mathematical tools that describe stock market crashes, SFI researchers explain the evolutionary dynamics behind this universal pattern in the fossil record and uncover "a new normal."

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In memoriam: Murray Gell-Mann

Murray Gell-Mann, a Nobel laureate who revealed symmetry and order in the world of subatomic particles and leveled his genius at complex mysteries of life and mind, died peacefully May 24, 2019. He was 89 years old.

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Toward a New Understanding of Aging, Adaptation, and the Arrow of Time

While time and age in standard dynamical systems are treated as simple clocks that run at a constant rate, the human experience of age is measured by consequences. In this talk on Tuesday, May 21 at 7:30 p.m., physicist Jean Carlson will illustrate the interplay between biological aging, adaptation, and the arrow of time through examples taken from her research and focus areas of a five-year Santa Fe Institute research theme.

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Group decisions: When more information isn't necessarily better

Modular — or cliquey — group structure isolates the flow of communication between individuals, which might seem counterproductive to survival. But for some animal groups, more information isn't necessarily better, according to new SFI research published in Philosophical Transactions of the Royal Society B.

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At last, acknowledging royal women's political power

Across the globe in a variety of societies, royal women found ways to advance the issues they cared about and advocate for the people important to them as detailed in a recent paper published in the Journal of Archaeological Research.

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