The art of DNA folding

How to stuff two meters of DNA into a nucleus

stretch of 5 million DNA bases

NEATLY FOLDED  Here's one way a stretch of 5 million DNA bases may fold inside the nucleus of a cell, according to a computer simulation.

A. Sanborn and E.L. Aiden

loops in DNA

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If packing a vacation’s worth of clothes into a small carry-on bag seems daunting, consider a cell’s task.