Collagen, the protein that builds skin, bones, tendons and organs, exists inside cells as a liquidlike droplet rather than the long, rigid rod seen in textbooks over the last half-century, according to a new study from the Center for Genomic Regulation (CRG) in Barcelona.
Source: [Phys.org](https://phys.org/news/2026-06-scientists-collagen-human-body-abundant.html)