Before a cell divides, its DNA is replicated so that each daughter cell inherits the same genetic information. The two copies ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. In 1957, just four years after Francis Crick and other scientists solved the riddle of ...

See original manuscripts, letters, photos, and jokes from luminaries like Rosalind Franklin, Aaron Klug, and Linus Pauling ...

New work from UC Davis and the University of Utah shows how the 3D structure of DNA inside a germ cell commits it to develop into a sperm cell. The discovery could improve understanding of fertility ...

Researchers shed new light on G-quadruplexes, a type of secondary DNA structure that has attracted attention as a potential therapeutic target in cancer. Every day, billions of cells in your body ...