When sperm meets egg, the start of life is not quiet. Under a special microscope, researchers have watched a tiny light show ...

A microscope image of a human egg contains a nucleus taken from a skin cell. (Mitalipov Laboratory at Oregon Health & Science University) WASHINGTON — Oregon scientists used human skin cells to create ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This papier mache model of a recently ...

An international team of researchers has discovered a fundamental protein in human fertilization, called MAIA, which could lead to an improved understanding of infertility. For fertilization to be ...

This is a fertilized human egg, prior to division. Two nuclei (one from the egg and one from the sperm) can be seen in the center. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy ...

WASHINGTON (AP) — Oregon scientists used human skin cells to create fertilizable eggs, a step in the quest to develop lab-grown eggs or sperm to one day help people conceive. But the experiment ...

Scientists have used human skin cells to create fertilizable eggs capable of producing early embryos, an advance that could expand possibilities for fertility treatment, according to new research. The ...

It's a commonly held belief: Sperm cells are like runners in an epic race, competing against each other for access to the coveted egg at the finish line. The egg, in turn, waits patiently for the ...

On a cloudy day on a gritty side street near the shore of San Francisco Bay, a young man answers the door at a low concrete building. "I'm Matt Krisiloff. Nice to meet you," says one of the founders ...

MOBILE, Ala. (WALA) - In a rare session in the Port City, the Alabama Supreme Court on Tuesday tackled a pair of court cases raising the question of whether a fertilized egg is a human life before ...

Well-documented reports spanning 25 years have yielded mounting evidence that sperm counts are tumbling in industrialized countries. (See my April 20, 2017 post Going, Going, Gone? Human Sperm Counts ...