Human bodies have to be built from a single egg cell that's fertilized by a sperm cell. Many rounds of cell division occur as the body is developing, and it seems that there are plenty of chances for ...

Infertility is a challenge that many couples face and it can affect both men and women. There are various reasons for infertility, such as hormonal imbalances, low sperm count, blocked fallopian tubes ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. As an evolutionary biologist whose career ...

Emma is a Policy Analyst in the Center for Technology and the Human Person at The Heritage Foundation. The well-being of children, not profit margins, should be the top priority when it comes to in ...