With the DNA pinned in place, it is straightforward to trace the motion of fluorescently-labelled proteins under a microscope and view their activity. This imaging showed that smaller proteins ...

During the process of transcription, DNA is converted to RNA, a complex molecule that is able to carry genetic information outside of the cell's nucleus. This page guides you through the ...

Prof David Reich of Harvard Medical School is one of the leading lights in the field of ancient DNA. His team's work has cast a new perspective on human history, reconstructing the epic migrations ...