Gene expression refers to how DNA, stored in chromosomes, is copied into RNA – short-lived genetic messages – which are then used as a template for building proteins ... "Li found a precursor capable ...

A cell lineage is the developmental history of a differentiated cell as traced back to the cell from which it arises. The cells of some organisms, such as C. elegans, have invariant lineages ...

String theory remains our best candidate for a theory of everything, but where can it be tested? By studying black holes, says Marika Taylor. When you purchase through links on our site ...

A large-scale single-cell study shows aging happens in specific stages driven by molecular cues, offering targets to modify the aging process and revealing key age and sex-related cellular differences ...