PNAS Nexus · 27 August 2026 · From issue 27

Evolution of complex organelles in ocelloid-bearing dinoflagellates

In single-celled sea creatures, an eye-like part lost its food-making tool but may still sense light.

Elizabeth C Cooney, Corey C Holt et al.

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Also in issue 27 15 papers

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Patterns across connected brain regions, not just single spots, predict memory accuracy.
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Teams of ocean bacteria fully break down tough algae sugars that single microbes cannot handle alone.
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Charged water drops can break protective coatings and cause metal to rust.
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Entropy and disorder may depend on what an observer chooses to measure.
PNAS Nexus
Humans predict words better than AI models, and voice tone boosts both humans and AI.
Proceedings of the National Academy of Sciences
Classroom friendship patterns predict student well-being and grades better than family background alone.
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A rare particle breakup was seen for the first time, confirming a strange particle's hidden double nature.
Physical Review Letters
A dead star's leftover core lit up in radio waves years after it exploded.
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Light can be tuned to build two different rigid ring shapes from one starting material.
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Gut disease shares the strongest genetic link with depression among four illness types studied.
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After diabetes starts, men get heart and kidney disease more, women get mental health problems more.
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In a lab test, electricity made droplets form, move, and dissolve nonstop without producing waste.
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