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A scanning electron microscope (SEM) image of nanowire-alginate composite scaffolds. Star-shaped clusters of nanowires can be seen in these images.

A heart of gold

New cardiac patch uses gold nanowires to enhance electrical signaling between cells, a promising step toward better treatment for heart-attack patients.

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A new brain-imaging study suggests that reading difficulties are the same regardless of overall intelligence.

Dyslexia independent of IQ

Brain-imaging study suggests that reading difficulties are the same regardless of overall intelligence — and that more children could benefit from support in school.

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