Researchers create world's first energy-saving paint—inspired by butterflies

https://phys.org/news/2023-03-world-energy-saving-paintinspired-butterflies.html

"environmentally-friendly, non-fading, non-toxic, ultralight (150 nm thin), plasmonic, structural plasmonic paint uses aluminum and aluminum oxide... structural color like that of birds and butterflies, combined with commercial binder... less heat  absorbed by paint resulting in underneath surface staying 25 to 30 F cooler"

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Proper electronic structure of near-infrared absorbing functional dyes discovered

https://phys.org/news/2023-03-proper-electronic-near-infrared-absorbing-functional.html

Engineering designer materials with bird-inspired structural colors using nanoparticle-based supraballs

https://phys.org/news/2023-05-materials-bird-inspired-nanoparticle-based-supraballs.html

Chameleon-inspired coating could cool and warm buildings through the seasons

https://phys.org/news/2023-09-chameleon-inspired-coating-cool-seasons.html