Ever since an at-home DNA test revealed a Nigerian ancestry, life-long Evanston resident Tina Penick has reflected on what might have been. “What if we lived in Nigeria? What would that look like?” ...

MSK researchers are shedding new light on G-quadruplexes, a type of secondary DNA structure that can cause DNA replication to stall. The structures are a potential therapeutic target in cancer. Image ...

Every time a cell divides, it must copy its DNA with extraordinary precision. But this process is constantly challenged by DNA damage. Among the most dangerous lesions are DNA interstrand crosslinks ...