Shadows, Kotzwara & Eunuchs

Margo Lion

First recorded case of death by kink? Franz Kotzwara in 1791 (more)

All you ever wanted to know (or not) about erotic asphyxiation but never even dreamt of asking. Mistress Matisse says it isn’t for novices

The Washington Post’s Carolyn Butler on the Indiana sex survey

Do prostitutes enjoy sex with their clients?

Female sex tourists? Strictly speaking, they seldom pay for sex. But they do offer their holiday ‘boyfriends’ money, gifts, a new house, etc.

Modifications induced by dopaminergic drugs in patients with Parkinson’s disease (PD) are … not taken into sufficient consideration …. Modifications of sexual urges and behaviours are of particular importance …. Although rare, such modifications may assume the connotations of an aberrant sexual behaviour with criminal implications, in line with a diagnosis of paraphilia. The authors report the case of a 51-year-old male PD patient who … developed … frotteurism and delusional jealousy.

Delusional jealousy or Othello syndrome (OS) is a … disorder with paranoid features …. In organic psychoses, the disorder occurs more frequently among chronic male alcoholics and in demented patients. … Six patients with OS were identified. They were all male, with a relatively recent diagnosis of PD.

Men viewed the opposite sex for a significantly longer period than did women, and women viewed their own sex for a significantly longer period than did men. However, gaze times for the clip showing intercourse were not significantly different between sexes.”

Women near ovulation (when they’re most fertile) report that they’re more easily turned on and have more interest in sex. They also tend to have redder lips! By putting on reddening lipstick, women are accentuating a natural signal of fertility.

This suggests that physical attractiveness may enhance distinctive accuracy both because consensually attractive targets provide better information than less-attractive targets, and because perceivers pay more attention to them and are more motivated to understand them.

Overall, 96% of the participants reported post-orgasmic clitoral hypersensitivity and a comparable percentage indicated aversiveness to further post-orgasm clitoral stimulation.

Joggers have more active sex lives

Farrah Fawcett & Lee Majors

The 17-year-old daughters and sons of lesbian mothers were rated significantly higher in social, school/academic, and total competence and significantly lower in social problems, rule-breaking, aggressive, and externalizing problem behavior than their age-matched counterparts in Achenbach’s normative sample of American youth.

Well-organised men, especially from twenty to thirty-five years of age, who remain absolutely free from sexual intercourse or any other causes of expenditure of seminal fluid, are in a state of excitement, giving them a great, although abnormal, physical and mental activity.

Serge Voronoff put monkey ovaries into women and tissue from monkey testicles into men

Bush crickets have the biggest testes: “Delicate measurements of the tuberous bush cricket, Platycleis affinis, showed that its testes accounted for 14% of the insect’s body weight. If the same proportion were applied to a man, his testicles would weigh the equivalent of six bags of sugar each.” Why indicate weight in terms of bags of sugar?

Particularly illuminating is her account of 19th-century Western reactions to Katsushika Hokusai’s erotic woodblock print “The Dream of the Fisherman’s Wife,” in which two octopi pleasure a naked woman with their tentacles. … If only the critics had been able or willing to translate the Japanese text …. There, Ms. Kawaguchi notes, they would have learned that the woman is ecstatic, even praising one of the octopi for its superior sexual skills.

More women opt for vaginoplasty and labioplasty down under

Your mind is less likely to wander during sex

Biotechnological opportunities have immense significance … in that they invalidate ‘eternal’ limitations of sex, procreation and embodiment. An explanatory concept, generative identity, is postulated, to account psychologically for the increasing diversity of reproductive patterns. … Disturbances in generative identity manifest as unconscious ‘shadows’ expressed as inhibitions to creative agency [etc.]

Photo of Assia by Dora Maar (1933)

To explain the existence of female orgasm in an evolutionary context, then, biologists have two options: (1) discover a way in which female orgasm shapes reproductive success indirectly, or (2) conclude that female orgasm isn’t an adaptation.

A batch of links to orgasm studies

Now to my mind, this wasn’t a perfect study: they compared ejaculate in 52 heterosexual men looking at pornography with two men and one woman, against pornography with three women, whereas I think it would have been better to use comparison images with one man and one woman, but there you go. … Yamamoto and colleagues … studied 19 men masturbating into a jar, either alone … or with “sexually stimulating videotaped visual images” at hand. Sperm volume, total sperm count, sperm motility, and percentage of morphologically normal sperm were all higher when the men had pornography.

Techniques for training boars for semen collection

Do men with deep voices have more children?

Well it’s about bloody time! India starts paying its eunuchs

Ten robots you can date,’ with links for each one

Rocco Siffredi interviewed

Abbey Lee Kershaw photos in Vogue Italia

Ducks, spiders & gluttony

Raquel Welch

Sexsomnia was reported by 7.6 percent of patients at a sleep disorders center, researchers report today.  Starting sex while asleep was more common in men (11 percent) than women (4 percent).

Australian authorities forbid soft porn from depicting the labia minora protruding outside the labia majora, which has stimulated a market for cosmetic surgery down under.

During the normal mating season, the penises of Lesser Scaup ducks grow about 4 centimeters longer than average, and those of Ruddy Ducks grow about 15 centimeters longer. But when the team made several Lesser Scaup males compete for just a few females, their penises grew up to 25% longer than normal.More here

Women and men could do that more quickly when the face had exaggerated sexual characteristics. ‘Women were quickest to classify gaze direction when they were looking at hunky, masculine-looking guys. Guys were quicker when they were looking at pretty, feminine women,’ says Jones.

Bernadette Lafont & Serge Marquand in Sophie's Ways

Are the women thereby honing in on the gaze of the guys with the best sperm? “A previous study of Spanish men reported that facial attractiveness was positively associated with semen quality. We aimed to determine whether this effect was widespread by examining a large sample of Australian men.

In Slate, William Saletan vented his disgust at the dangerous and grotesque display of gluttony that is  competitive eating, likening it to pornography (esp. in the article’s title — ‘Deep Throat: the Depravity of Major League Eating’). At Jezebel, Katy Kelleher dismissed his concerns. “Enjoying huge amounts of food or copious amounts of sex,” she says, “does not make one self-destructive, gluttonous, or depraved.” She’s right about sex but wrong about eating competitions. Since sex (safe sex) in large quantities doesn’t carry such a big health risk, there’s nothing wrong with it. In fact, it might even have the added value of boosting brain growth. Kelleher sets aside the health risks resulting from overeating by comparing them to the risks that stem from other sports. She suggests that we should just let people assume these risks if they choose to. But what about the other extreme for eating, namely, anorexia? Would she allow people to cultivate this condition, too, as long as they were aware of the resulting health risks?

For some people, good sex involves copious amounts of food: “Feederism is a fat fetish subculture in which individuals eroticize weight gain and feeding. Feeders are individuals who claim to become sexually aroused by feeding their partners and encouraging them to gain weight.

For male spiders, the health risks in mating are pretty steep. “Nephilid spiders are known for gigantic females and tiny males. Such extreme sexual dimorphism and male-biased sex ratios result in fierce male-male competition for mates. Intense sperm competition may be responsible for behaviors such as mate guarding, mate binding, opportunistic mating, genital mutilation, mating plugs and male castration (eunuchs).”

To curtail competition with their own sperm, males of several spider and insect species mutilate their genitals or sacrifice themselves entirely using their genital parts or their whole dead bodies as mating plugs. The orb-web spider, Argiope aurantia, is a species characterized by both male self-sacrifice and extreme female-biased sexual size dimorphism.

“Sexual cannibalism is common in the Australian golden orb-web spider (Nephila plumipes), in which the tip of the conductor typically breaks during copulation. … The likelihood of the conductor breaking depends upon the copulatory history of the female insemination duct: males were more likely to break their conductor if they inseminated a ‘virgin’ rather than ‘mated’ insemination duct.” (pdf)

Once he’s inseminated her, he’ll break off his genitalia in hers, thereby plugging her up. The male, which is left sterile, then drives away other males until he dies. This strategy should stymie other males’ mating attempts—though some females have been found with several dismembered male organs lodged inside them.” Very sadistic.

H. Biberstein's depiction of de Sade

‘The Enigma of the Will: Sade’s Psychology of Evil’

The end of Sex Week at The Loom

The Closing Time effect: “When it’s late in the evening, people get prettier. But they also found that, while alcohol does play some role in this aesthetic reevaluation, the correlation isn’t strong enough to completely explain it. It’s not just beer goggles; something else is going on.

Sperm competition, stress and more

Adrienne Fidelin

Ady Fidelin

The best predictors of how sexual a woman is

The great sperm race

Insect sperm wars

Sperm competition, cooperation

Three posts on the male reproductive anatomy at Neurotopia

Gaze direction affects judgments of facial attractiveness

What kind of erotic film clips should be used in female sex research?

Six revelations about women and sex

Scientific American on the female orgasm

Thinking yourself to orgasm

Veruschka as Salomé

Cuba pays for sex-change operations

I prefer the purity of nudes, says cheeky Rankin

Erotic art at Flavorwire

The geek’s guide to getting girls (with an impressive scientific bibliography)

As the use of porn increases, the rate of sex crimes goes down

Stress makes men prefer dissimilar mates

Ady Fidelin & Nusch Eluard

The Marilyn Monroe Lounge

Elvis’ lady-friends

The 1954 obscenity trial over Stanley Kauffmann’s The Philanderer

Femme fatale makes men take risks (details)

Graphic novel based on The Story of O

A review of Whip Smart by former dominatrix, Melissa Febos