In an advance for treating male infertility, researchers transplanted a patient with his own sperm-forming stem cells that ...

It may seem unusual to discuss future fertility when a family is reeling from the diagnosis of a child’s cancer. But 85% of ...

To understand how genes are turned on and off to make different cell types ... In a mouse or human embryo, the cells that will one day produce sperm or eggs are already earmarked for that future ...

The earliest days after fertilization, once a sperm cell meets an egg, are shrouded in scientific mystery ... embryo takes place in the protective environment of the uterus, making direct observation ...

Two new studies uncover how DNA folding controls sperm cell development ... Subscribe for FREE To understand how genes are turned on and off to make different cell types, you have to figure out how ...

It's commonly thought that sperm "race" to the egg, with the winner fertilizing it. But is this really the case?

Boys are born with stem cells inside spaghetti-like tubes in the testes, cells that start producing sperm after puberty ... a call that gave me the option to make the choice for myself today.” ...

To understand how genes are turned on and off to make different cell types ... “In a mouse or human embryo, the cells that will one day produce sperm or eggs are already earmarked for that ...

To understand how genes are turned on and off to make different cell types ... In a mouse or human embryo, the cells that will one day produce sperm or eggs are already earmarked for that future ...

To understand how genes are turned on and off to make different cell types, you have to figure out how the DNA is folded — and which genes and enhancers are paired together. In a mouse or human embryo ...