Fathers may carry traces of their childhood trauma in their sperm cells, a new study finds ... It has not been confirmed that epigenetic changes can be passed from a human parent to their children, he ...

As viewed from a human perspective ... is the process by which certain sex cells are created. If you're male, your body uses meiosis to create sperm cells; if you're female, it uses meiosis ...

The little clump of cells looked almost like a human embryo. Created from stem cells, without eggs, sperm, or a womb, the ...