Each of us has enough DNA to reach from here to the sun and back, more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus? Long ...

Typical forms of writing data to DNA sequences consisted of writing a single letter a time, or the equivalent of threading ...

In other words, a piece of DNA that is 1 meter long will become a "string-of-beads" chromatin fiber just 14 centimeters (about 6 inches) long. Despite this shortening, a half-foot of chromatin is ...

which served as a base onto which shorter DNA strands were added. This process resembled threading beads onto a string. Then, ...