Sperm mobility is known to be an important determinant of a male's sperm competitive ability. Although more debated, sperm length and its relation to sperm swimming ability has also been proposed to ...

Gynodioecy is a breeding system consisting of male steriles (MS, females) and hermaphrodites (H) There is however within such systems a third, often neglected, class of partially male sterile plants ...

Because male breast cancer is such a rare disease, few strides have been made that convey advantages in its detection, incidence, and mortality. Most treatment guidelines have been extracted from ...

The overexpression of an important gene that regulates energy metabolism can cause a severe shortening of lifespan in male fruit flies but has only a small negative effect on lifespans of female fruit ...

Birdwing butterflies of the Troides haliphron species group, in which females (right) were observed to be more visibly diverse than males (left). Pioneering AI-powered research on butterflies has ...