Laura Helmuth is former editor-in-chief at Scientific American and a former president of the National Association of Science Writers.
Laura Helmuth
Former editor-in-chief
Scientific American
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Dispute erupts over universal cortical brain-wave claim
The debate highlights opposing views on how the cortex transmits information.
Dispute erupts over universal cortical brain-wave claim
The debate highlights opposing views on how the cortex transmits information.
By
Claudia López Lloreda
12 December 2025 | 5 min read
Waves of calcium activity dictate eye structure in flies
Synchronized signals in non-neuronal retinal cells draw the tiny compartments of a fruit fly’s compound eye into alignment during pupal development.
Waves of calcium activity dictate eye structure in flies
Synchronized signals in non-neuronal retinal cells draw the tiny compartments of a fruit fly’s compound eye into alignment during pupal development.
By
Lauren Schneider
12 December 2025 | 0 min watch
Among brain changes studied in autism, spotlight shifts to subcortex
The striatum and thalamus are more likely than the cerebral cortex to express autism variants or bear transcriptional changes, two unpublished studies find.
Among brain changes studied in autism, spotlight shifts to subcortex
The striatum and thalamus are more likely than the cerebral cortex to express autism variants or bear transcriptional changes, two unpublished studies find.
By
Holly Barker
11 December 2025 | 5 min read