# Gradient refractive indices enable squid structural color and inspire multispectral materials

> Research article (Science, 2025) · cited 25× · AI/ML

**Wikidata**: [openalex:W4411675785](https://www.wikidata.org/wiki/openalex:W4411675785)  
**Source**: https://4ort.xyz/entity/gradient-refractive-indices-enable-squid-structural-color-and-inspire-multispectral-materials