The human genome is about two meters (6. 6 feet) long, yet it is folded inside a cell nucleus only about 10 micrometers in diameter. To fit into this tiny space, DNA is wrapped around histone proteins to form nucleosomes, which are further organized into chromatin.
Source: [Phys.org](https://phys.org/news/2026-09-super-resolution-imaging-reveals-cohesin.html)