Researchers have identified the specific structural loops in G-quadruplex DNA that allow it to act as a chaperone, preventing ...

An illustration of light purple Cas9 enzyme being guided to light blue DNA against dark blue background. The enzyme Cas9 (top) can cause double-strand breaks in DNA (bottom). Credit: Shutterstock ...

For decades, biology textbooks taught that DNA’s story could be told with a single image: two elegant strands twisting in a double helix. That picture is still right, but it is no longer enough.