Sperm cell

Researchers shed light on new explanation for how mammalian zygotes safeguard their survival

While the National Sperm Bank is experiencing a drought of donations, Facebook is awash with men offering their sperm to strangers. Is this unregulated network a danger to itself, asks Gareth May

Scientists have pinpointed the mechanism that enables sperm to move towards the egg. The discovery could lead to new ways of approaching infertility or male contraception.

The patterns governing the motility of sperm are strikingly similar to the ways that dictate the distinctive stripes on zebra coats.

Human Sperm or spermatozoa cell structure illustration. Download a free preview or high-quality Adobe Illustrator (ai), EPS, PDF, SVG vectors and high-res JPEG and PNG images.

A new kind of male birth control may be on the horizon - Researchers will test a hormone gel in 2018.

Poor sperm quality accounts for one-third of the infertility cases. Take note of these habits which could be killing your sperm.

Human sperm cell, illustration.

Download this Premium Vector about Close up of a sperm cell, and discover more than 142 Million Professional Graphic Resources on Freepik. #freepik #vector #sperm #reproduction #semen

A woman who was looking into her daughter's ancestry ended up with something else: a letter threatening legal action.Danielle Teuscher used the website 23andMe to look into the ancestry of her 5-year-old daughter, who was conceived with the help of a sperm donor. The donated sperm came from Northwest Cryobank, which offers anonymity to its donors.