Our DNA is often pictured as a simple spiral, like a piece of rope held taut. But inside cells, it folds into a complex three-dimensional structure, with 2 meters (6. 6 feet) of DNA scrunched like a headphone wire in a pocket.
Source: [Phys.org](https://phys.org/news/2026-08-3d-dna-rare-immune-cells.html)