Chromosomal inversions are an important class of genetic variation that link multiple alleles together into a single inherited block that can have important effects on fitness. To study the role of ...

Eight fascinating animal species, such as Darwin's frog and mouthbrooding cichlids, exhibit unique reproductive strategies ...

Female condoms, also known as internal condoms, have many of the same qualities and advantages as male condoms, also known as external condoms. Internal and external condoms help prevent pregnancy ...

An injury to the groin from falling on an object that is being straddled. Examples are playground equipment, crossbars of a bike, or a fence. In boys with a straddle injury, the urethra can be bruised ...

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White Molly: White Molly: An attractive fish species, it has an alluring quality. The species can be easily transferred from ...

But it’s real. Through the juxtaposition of this hotel room floor sex scene with the film’s opening shot, Reijn has cleverly flipped the script on the male gaze. Female pleasure is rarely as ...

That combination of success made the Tunisian an easy choice as Swimming World’s 2024 African Male Swimmer of the Year. Making his Olympic debut in Paris, Jaouadi narrowly missed qualifying for ...

Sexologist and sex coach Cam Fraser says, "There is one toy that I most often recommend to [clients]: a stroker or masturbation sleeve, such as the Fleshlight Flight Pilot male masturbator." ...

Behavioural experiments in shell-dwelling cichlid fish reveal evolutionary adaptations in parents and offspring that control the timing of emergence from the nest. To mimic the empty snail shells ...