IN an earlier publication 1 the formula of the highly active synthetic œstrogenic analogue, stilbœstrol, was contrasted with those of œstrone and chrysene. The figures in this earlier letter in NATURE ...

The secret to cellular youth may depend on keeping the nucleolus -- a condensed structure inside the nucleus of a cell -- small, according to nvestigators. The findings were elucidated in yeast, a ...

Starting with the structure of the nucleosome and continuing with histone modifications, chromatin-remodeling complexes, silencing factors and more, a detailed and dynamic picture of chromosomal DNA ...