In human cells, there are about 20,000 genes on a two-meter DNA strand—finely coiled up in a nucleus about 10 micrometers in diameter. By comparison, this corresponds to a 40-kilometer thread packed ...

Cells experience many different types of stress, such as starvation or stress caused by too much salt or too high a ...

Advanced light microscopy techniques are giving scientists a new understanding of human biology and what goes wrong in diseases Katarina Zimmer, Knowable Magazine Innovative techniques are helping ...

Learn how a newly discovered virus disrupts its host’s nucleus in ways that echo how complex cells may have formed billions ...