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 ...

It has been said that spending too much time in the past can make us feel depressed, while spending too much time in the future can make us feel anxious. The more time we spend in the present, the ...

If you’ve been trying to conceive for some time but are still getting negative pregnancy tests, then IVF, or in vitro fertilization, may be an option for you. So what is IVF? In short, it’s a ...

More than three months after suffering from mild COVID infection, men have lower sperm concentrations and fewer sperm that are able to swim, according to new findings presented at the 39th annual ...