Proceedings of the National Academy of Sciences · 17 July 2026 · From issue 07

Charge carriers in a doped conducting plastic are not all alike, but form a varied group.

Megan R. Brown, Zhiting Chen et al., Polarons are probes of the dynamic nanoscale environments found in electrochemically doped π-conjugated polymers, Proceedings of the National Academy of Sciences.

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Also in issue 07 10 papers

AI speeds up writing papers, but checking them by hand makes publishing slower and pricier.
Science
Many hidden genetic controls of gene activity had not been found before.
Science
Earth's magnetic storms may be twice as strong as once believed, with no true limit.
Nature
People judge a brand new game's fairness or fun by imagining just a few likely moves ahead.
Nature
People hold a button longer when they feel less confident in their answer.
Proceedings of the National Academy of Sciences
Cities with stronger links to other cities recover faster from extreme rainstorms.
Nature Climate Change
A steady, shape-keeping wave can travel through a chain of controlled atoms.
Nature Communications
Two separate signaling helpers inside cells can link up directly, not just work apart.
Nature Communications
A new targeted drug shrank tumors in many patients with an aggressive, spreading eye cancer.
Nature Medicine

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