Researchers mapped pain circuits in mice with nerve injury and found that changes in the locus coeruleus promoted chronic ...

Researchers at VIB, VUB, and the Medical Research Council Laboratory of Molecular Biology (UK) have discovered a hidden feature of human sperm cells.

PlanA is a long-acting, reversible barrier that blocks sperm from traveling up the vas deferens. The other product, PausePill ...

Suddenly, he was dreaming of testing every sperm gene imaginable. He saw his research as having the potential to completely ...

The unusual-looking bobolink is what's called a bilateral gynandromorph. The bird behaved like a male, eventually wooing a ...

Many people recognize that gender—how a person identifies, presents themselves and is perceived—has nuances. Some people identify and present as women, others as men, and still others as nonbinary.

The sex reversal technique could be used to help rescue endangered species, say the researchers behind the work. Scientists have deliberately turned male mouse embryos into females for the first time.