Manga Sex

From a manga comic by Shiroi Gunpan:

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Curvy Dominatrix

She’s dominant for sure, but somehow I get the sense that the spanking she’s about to administer with that riding crop is personal:

Via Spanking Blog.

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Vintage Corset

I found this vintage corset picture for all you corset fetishists out there:

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BDSM for Big Girls

One of the defining characteristics of sex comics is that they tend to be idealized. There are some notable exceptions (*cough* Crumb *cough*) but usually the nekked peeples in the comics are beyond physical perfection — they’re fantasy-proportioned beyond anything plastic Barbie ever dreamed of, and drawn as gorgeous as the artist could manage.

But exceptions do exist. This consensual BDSM panel from Pulp Story #2 is strikingly unusual for featuring a large soft woman with big doughy belly and breasts:

Found at Erectus.

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Italian Curves

An alert reader sent me this link to a shoot in this month’s Italian Vogue magazine. It’s very arty, but the ladies have much better curves than you usually see in fashion magazine shoots:

Thanks, BB!

Thick Booty Bondage

Here’s a novelty for you. When was the last time you saw a bondage model who actually had her some big thick booty and some curve to her?

Meet Kait Snow:

She recently did a shoot for Device Bondage that will thrill fans of the notable booty:

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Best School Nurse Ever

Matron Jenny, as she’s known at St. Mackenzie’s Academy, is what we used to call “a fine figure of a woman”:

Bend over, boys, and get ready to cough!

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Women And Their Curves

I wish to take critical notice of, and commend to the attention of ErosBlog readers, David P. Barash and Judith Eve Lipton’s new How Women Got Their Curves and Other Evolutionary Just-So Stories (New York: Columbia University Press, 2009), which I have just recently finished reading. If you have any interests in the state of our scientific understanding of sex, it’s a book for you.

Barash and Lipton face a set of intriguing conundra when trying to understand why human women are built they way they are. If you think of a woman (a man also, but that’s a subject for another time) primarily in terms of designing working animal plumbing and wiring, you’re going to be in for some rather remarkable surprises once you meet any actual women. Other mammalian females occasionally break down and replace their uterine linings, but only adult human women do so in such a metabolically costly way every month. Why? Most other female mammals openly advertise (at least to other members of their own species) their fertile periods and sexually receptive only then, but for the most part even human women themselves are unsure of when they are fertile. Why? Few other animal species have anything more than traces of female orgasm (and most do not have even that), but in human women orgasm is a gloriously common fact of sexual life. Why? Other female mammals manage to suckle their young just fine without carrying around large adipose deposits around their milk glands all their adult lives. Human women have breasts. Why? Finally, there seems to be no metabolic why an animal’s fertility should cease when it has decades left to live, but any woman who lives long enough will undergo menopause. Again and always, why?

Now refreshingly Barash and Lipton come out right up front and admit they don’t have the answers to any of these questions. They admit that they are collecting conjectures — informed speculations (unless you’re Desmond Morris, in which case, silly speculations) on the questions I’ve laid out above. And on all of these questions there is a lot of conjecture — there’s a little text-box in every chapter for each of them, and in most cases the box has at least ten items. This is fine. Science necessarily begins in conjecture; it is then in careful gathering of data and the willingness to allow your beautiful hypotheses be slain by ugly facts that it distinguishes itself from other, less-reputable forms of epistemic activity.

One notable feature of the conjectures on offer here is that a discerning reader may see the emergence of an increasing number of conjectures having to do with signaling and screening, rather than just plumbing and wiring, as to why women are made the way they are. An example: back when I was a student in high school (the dark ages, I know) the best my biology teacher could come up with for why women have orgasms was a variant of the inelegantly-named “uterine upsuck” hypothesis: female orgasm had something to do somehow with helping sperm get up to eggs and do their baby-making work. The evidence for this conjecture is very weak: it’s basis in physiological data is very thin, and in any event anorgasmic women seem to be just as fertile as orgasmic ones. A much more promising conjecture is that female orgasm is a screening device, something that evolved to help women discriminate between desirable and undesirable mates. (The exposition of this particular conjecture got a favorable notice from economist Robin Hanson, who perhaps deserves the title of Dean of Signaling, over at Overcoming Bias.)

Likewise, female breasts might be signals (whose evolutionary development subsequently got a boost from runaway sexual selection). Since human men provide at least some resources to their offspring (usually) it pays them to be at least a little bit choosy in mate selection. Any human female can say things like “I am young and healthy and therefore a good mate,” whether it’s true or not. But it’s much harder to fake the ability to accumulate and carry around a lot of extra healthy-looking fat, unless you really are young and healthy and therefore a good mate: breasts would therefore be a good example of a costly signal in evolutionary terms, rather like the peacock’s tail.

I cannot help but note another conjecture offered by Barash and Lipton. Obviously I cannot say whether it’s true or not, but I must say it certainly resonates with me. This is a conjecture about concealed ovulation: the fact that usually even women themselves do not know whether they are in a fertile period. This might be called the Consciousness Conjecture, and it was advanced originally by a biologist named Nancy Burley. It runs something like this: sex is fun, pregnancy is not. Pregnancy is especially no fun if you’re a hunter-gatherer on the move much of the time, and what is more, for most of human existence, childbirth was at once excruciatingly painful and often fatal. Women (or proto-women) were conscious and observant and took note of all these facts and would avoid having sex when pregnancy would be likely to result. Concealed ovulation emerged in an evolutionary move that allowed genes to propagate themselves because women wouldn’t know when they were fertile — in short, it evolved out of a conflict between women and their own genes. (Thus an early example of what psychologist Keith Stanovich calls The Robot’s Rebellion.)

A brief review can’t really do justice to all the charms of this little book. Columbia University Press has made an extended excerpt available on the book’s web-page here and the full chapter from which it comes in PDF format here. I would be remiss in reviewing for ErosBlog without including a picture or two. After all, what book on sex and science would be complete without a picture of lions mating? Not this one, clearly.

Kudos to you if you can guess the conjecture about human female sexuality this picture is offered in illustration of!

And naturally, no discussion of women and their curves would be complete without one of those breathtaking south Indian sculptures of Parvati. Barash and Lipton of course offer one (though not exactly this one):

(And if you look up neurologist V.S. Ramachandran’s Reith lecture on the origins of art in the human brain which Barash and Lipton are referencing there, you’ll be rewarded with yet another one.)

I realize of course that a book of biological conjecture about human female sexuality might not be everyone’s cup of tea. “Those silly scientists,” some might say, “they can’t figure out even the commonest things.” But I for one take a different view. Books like this one are evidence that science is nowhere near its end, and that even in the most ordinary (if intimate things), there remain fascinating and deep puzzles to solve.

And I submit that, my dear readers, really is sexy.