An innovative treatment could one day help restore fertility in men who do not have the capability to produce sperm, such as cancer survivors or those with certain genetic disorders. Scientists ...

the male reproductive cell. Sperm of various plant and animal species differ from one another, sometimes in surprising ways. The sperm of human beings, and a few other mammals like bulls ...

A new model of tiny human ovary organoids, or ovaroids, has been developed from stem cells, according to research presented ...

Sperm swim faster in high temperature environments; aging ovaries slowly lose egg support. Both affect fertility differently.

Doubt has also been cast as to whether the race can indeed be called a ‘world-first’. A BBC Two programme, Lab Rats, hosted a ...

Sperm are somewhat like Goldilocks in their quest for everything to be just right. At least in mammals, the male sex cells are surprisingly picky about temperature and it can’t be too hot or too ...

[1] Each antigen is a distinct and separate entity and is produced by different cells in the ... sequenced from the human testis Antibodies to FA-1 can completely block sperm-ZP interaction ...