A study in the journal Ecotoxicology and Environmental Safety discovered microplastics have "underlying toxicity mechanisms." They could affect sperm production and development as well as human health ...

Movember is back. Throughout the month of November, men are skipping their razors in favour of sporting a moustache to help ...

Human egg cells are often prone to chromosomal errors. As women age, the error rate increases sharply—and can contribute to ...

Early in fetal development, a mass of cells known as the bipotential gonad has the possibility of giving rise either to ovaries or testes, reproductive organs that contribute to many of the ...

Reproduction and dispersal are key aspects of species life history that influence spatial genetic structure in populations. Several ant species in the genus Cataglyphis have evolved a unique breeding ...

The Zosteraceae, a family of marine sea grasses that are aquatic monocotyledons, is presently composed of three genera: one dioecious genus, Phyllospadix, and two monoecious genera, Zostera and ...

The structure and function of the reproductive tracts of the spider crab Inachus phalangium were investigated, focusing on sperm transfer, sperm storage in the seminal receptacles, and spawning. Males ...

Plant reproductive complexity increased in two, widely separated pulses likely driven by important evolutionary innovations, including the origin of seeds and flowers, according to a new study. These ...

Plant sexuality deals with the wide variety of sexual reproduction systems found across the plant kingdom. This article describes morphological aspects of sexual reproduction of plants. That plants ...