The similar clustering of DNA in the chromosomes of humans and Archaea is significant because certain genes activate or deactivate based upon how they’re folded, according to a paper published in the journal Cell. Sulfolobus sp.: each cell is outlined in red; the DNA is stained blue. Image credit: Stephen Bell, Indiana University. Archaea are one of the primary domains of cellular life, and are possibly the most ancient form of life: putative fossils...
