A stretch of viral DNA in the mouse genome gives cells in early-stage embryos the potential to become almost any cell type in ...

Infertility is a major healthcare concern. Understanding the molecular regulators governing fertilization, early embryonic ...

DOWNTOWN LOS ANGELES - For the first time in history, USC researchers have derived authentic embryonic stem (ES) cells from rats. This breakthrough finding will enable scientists to create far more ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery. The process of how a humble single cell becomes an organism fascinates scientists across ...

Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires ...