Someone has drawn a mascot on the whiteboard in Mitchell Guttman’s molecular-biology laboratory at the California Institute of Technology (Caltech) in Pasadena. It looks like a tangled ball of ...

Most of the time, that DNA looks like a tangled ball of yarn—diffuse, disordered, chaotic. But that messiness poses a problem during mitosis, when the cell has to make a copy of its genetic ...

Most of the time, that DNA looks like a tangled ball of yarn — diffuse, disordered, chaotic. But that messiness poses a problem during mitosis, when the cell has to make a copy of its genetic material ...

It works like a tangled ball of yarn that, when pulled, unravels into separate fibers. A new study led by researchers at the ...

Most cells in the human body each contain about six feet of DNA. Yet the nucleus, where DNA is coiled, is no larger than a single speck of dust. Despite its density, DNA is not a tangled ball of yarn.

It works like a tangled ball of yarn that, when pulled, unravels into separate fibers. A new study led by researchers at the Department of Energy’s Lawrence Berkeley National Laboratory ...