Re “When are the souls handed out?” Opinion, July 18 David Barash provides convincing scientific details that reveal there is no one moment of conception. Conception is a process. So maybe the ...

The beginning of a new life is an extraordinary event that occurs when the male and female reproductive cells merge. Let’s ...

Earlier this month voters in two U.S. States, Colorado and North Dakota, considered new laws that would bolster the legal rights of a fetus before birth. Neither of these ballot initiatives passed, ...

UCLA graduate student Jeffrey Riffell and UCLA biology professor Richard Zimmer report the first experimental test on the role of small-scale physics as it influences the interactions between sperm ...