sperm cells

In addition to glowing to seduce mates, male fireflies also offer a unique

A group of researchers from the University of British Columbia examined sperm cells of 34 adult men, some of whom had been victims of abuse for many years in childhood.

The future of treating infertility in men may depend on artificial sperm, according to a new study.

Scientists have succeeded in producing early-stage sperm from human skin cells. This technique opens up the prospect of helping thousands of infertile men, including those with

15 minutes with tickling sensation may become a contraceptive for men in the future.

Thanks to the tremendous progress in stem cell technology, pancreatic and intestinal cells can now be created in the laboratory.