Chromosomes are masters of organization. These long strings of DNA fold down into an ensemble of compact structures that keep needed parts of the genome accessible while tucking away those that aren’t ...

(Nanowerk News) One challenge of researching nanotechnology is that you can’t manipulate the pieces with your hands. You can look at computer models, but it isn’t the same as tactile interaction.

In a complex called chromatin, long strands of DNA in cells' nuclei are tightly wrapped around a scaffolding of proteins, like a rolled-up ball of yarn. A new study by Weill Cornell Medicine ...