The sunlight-collecting organelles known as chloroplasts solve a packing problem: how to optimize photosynthesis without ...

Chloroplasts from the Arabidopsis thaliana plant with distinc levels of misfolded protein clumps. The chloroplasts are seen in red color and the protein aggregates in green.

Life as we know it wouldn’t be possible without chloroplasts — those tiny, bean-shaped structures inside plant and algae cells that harness the sun’s energy to turn water and carbon dioxide into ...