Modern formula improves post-thaw performance and reduces costs of freezing sperm

Chemicals block sperm's power kick, potentially providing new type of emergency contraceptive

Unexpected connection likely sabotaging vaccines designed to treat cancer

Researchers were inspired to study how nanoparticles could gain biological functions through the enzymes that drive sperm tails

Human studies needed to determine if men similarly affected

Recently published study now provides the first explanation for the development of such giant sperm

Discovery could help fertility doctors decide best eggs to implant for IVF

Microscopic motors fitted to healthy sperm that are poor swimmers could help lead to more successful fertilizations

That’s the intriguing possibility raised by the University of Virginia School of Medicine’s discovery

Hydrogen sulphide could help men improve the quality of their sperm and thus their fertility