Launched for the first time in the world: Condoms for both sexes
Mr. John Tang Ing Chinh, a Malaysian gynecologist, has made a condom using a transparent thin film material with high elasticity and good water resistance, which can be…
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Mr. John Tang Ing Chinh, a Malaysian gynecologist, has made a condom using a transparent thin film material with high elasticity and good water resistance, which can be…
Marsha P. Johnson is an activist and pioneer of the African-American transgender movement. But much of Johnson's life was ostracized by society.
An unexpected gift from the extinct ancestors - the Neanderthals, who brought unexpected luck to the women who owned it.
Chemical castration is a way of castration through sexual suppressants to reduce libido with sex offenders, especially child sexual abuse, but not eliminate organs.
The ability to produce only females gives all South African worker bees the chance to genetically 'regenerate' into a new queen.
This kingfisher has a special singing voice that sounds like people laughing. It often sings at dawn and dusk, like a hilarious alarm clock.
Representatives for this faction are the libertarianists of the medieval European church.
Conjoined twins may share several body parts. So what difference does it make to an ordinary person if they engage in sexual acts?
The new group of bacteria is a related family of sexually transmitted pathogens, proliferating in high-pressure and hypoxic environments.
The horned lark of the Ice Age is so well preserved that hunters find the specimen that mistook it for death.
Turquoise Killi eggs can temporarily stop growing for many years, longer than the fish hatching, a scientific term called 'sex period'. - VnExpress
The ancient emperors had hundreds of thousands of beautiful concubines, every night possible
In the animal world, it can be a very dangerous sport, even for some species, it is the last action in their life they can do.
Scientists from China and the US have just published interesting findings from a study of today's mating rituals of pandas and the results are extraordinary and very rom…
The most realistic images of the life of a predatory tribe in New Guinea, who share wives with each other and have no sexual barriers.