Evolutionary Philosophy of Sex and Human Sexuality: Reproduction, Couple Bonding, Health, Pleasure, Beauty

Introduction / Summary (May 2008): Hello! Welcome to our Evolutionary Philosophy of Human Sexuality pages. The video provides a good introduction which we think you will enjoy!

While this is not a pornographic site, it is provocative - founded upon what people search on the Internet (which is very interesting!). We then relate this to our biological and cultural evolution. See: 17,000 Internet search terms - Top 200 Internet search terms - Site Map.
We also have a wonderful collection of information from the latest academic sexology studies and best adult sites.

Sex is obviously important to people - and if you want to improve your sexual relationships then knowing the truth about our human evolution is the best foundation. By opening our minds to a greater diversity of behaviors, this knowledge will help you creatively cultivate healthy pleasurable moral attitudes and sexy smutty relationships (free from religious guilt & cultural myths).

Support an open honest discussion on the truth of our sexual evolution and behaviour. If you support sex positive, moral, informed sexual behaviour please share this knowledge. (These pages have a diverse collection of fascinating information relating to our human sexual evolution so people will appreciate it).

About this Philosophy Website on Truth and Reality: We are listed as one of the top Philosophy Websites on the Internet with around 500,000 page views each week. The central thesis of philosophy is that we must know the truth to act wisely and truth is founded on a correct understanding of physical reality. Clearly people have a strong sexual instinct due to our evolution and survival as a species. However, our planet faces many serious environmental problems, thus our survival now depends on a true understanding of our place in nature, as a way of better protecting life on earth. Truth and reality are beautiful subjects which are profoundly important to our future survival - they are the source of wisdom, the foundation for everything you see and experience in the universe!

Sincerely,
Karene Jade Howie
P.S. I would really like these pages to be fantastic, so please comment / rate this page or suggest content!

Evolutionary Philosophy of Human Sexuality
Sexual Functions: Reproduction, Relationships & Couple Bonding, Stimulation of Immune System, Hormone Function, Mental Health, Education. On the Evolution of Beauty, Bisexuality & Diverse Primate Sexual Behaviour.

If insemination were the sole biological function of sex, it could be achieved far more economically in a few seconds of mounting and insertion. ... Love and sex do indeed go together. (Edward O. Wilson) If insemination were the sole biological function of sex, it could be achieved far more economically in a few seconds of mounting and insertion. Indeed, the least social of mammals mate with scarcely more ceremony. The species that have evolved long-term bonds are also, by and large, the ones that rely on elaborate courtship rituals. ... Love and sex do indeed go together. (Edward O. Wilson, On Human Nature, 1978)

The Evolution of Sexual Reproduction, Human Sexual Behavior & Culture

An essay on the evolution of sex, human sexual behavior and culture from the Journal of Evolutionary Philosophy, 'Dedicated to promoting the theory of evolution as a solid foundation upon which to build a meaningful philosophy of human life.'

Exploring the evolutionary benefits / advantages of sexual reproduction over asexual reproduction, promiscuity & monogamy, dominant males, child rearing, evolution of culture, religion and sexual morality, modern relationships and the 'meat market', homosexuality and evolutionary theories of aging.

Human Evolution: A History of Sex

Evidence that people have been promiscuous for a long time

Lotharios everywhere will be pleased to hear that monogamy does not appear to be a natural human state. That, at least, is the conclusion of a study conducted by Michael Hammer at the University of Arizona in Tucson, and just published in Nature Genetics. By examining the DNA of living people, Dr Hammer and his colleagues have found that far fewer men than women pass their genes on to subsequent generations.

Evolution, Human Reproduction & Fertilization: Sperm Competition & the Penis

A very interesting essay from the journal of Evolutionary Psychology on sperm competition and its role in shaping the human penis, (size, length, width, forceful ejaculation), evolutionary strategies for successful fertilization i.e. semen displacement and coagulation. On sexual intercourse and evolutionary benefits of deep penis thrusting, function of the foreskin and effects of circumcision, premature ejaculation, female reproductive strategies i.e. copulation with multiple partners, human sexual behaviour and wife rape (males having sex with their partner if suspecting them of infidelity).

Sexual Evolution: Recent research challenges notion of Female Monogamy

For generations, biologists had assumed females to be naturally chaste, while males were renowned for their promiscuity. Now, hundreds of studies and a spate of books are challenging that conventional wisdom.
Females of many species have evolved strategies for passing on their genes that involve copulating with multiple males. Males, in turn, have adapted ways to ensure that their genes, and not those of competitors, are passed on. Understanding this co-evolution is changing our view of male and female sex roles.

Evolution and Group Sex: Successful Sex Strategy to be Last in Line

The early bird might get the worm, but the last in line makes the baby. From bonobo chimpanzees to fruit flies, many female animals mate with multiple partners that often queue up for the event. Studies have shown that the the last male to mate with a female is the most successful at impregnating her.

The last male can take advantage of a more 'sperm-friendly' environment created by males that have copulated before him, according to a new model put forth by David Hosken and David Hodgson of the University of Exeter in the United Kingdom.

Titalising Tits: Evolution of the Breasts

From the website: 'Breasts can tell you a lot about the woman attached to them: if they are symmetrical, you can see that she has good genetic diversity and had little exposure to disease or malnutrition when she was growing up.

Zoologist Desmond Morris thinks that the human breast may have evolved to be bigger and rounder to remind men of a woman’s bottom when she is seen face on. Anthropologist Gillian Bently disagrees. She doesn’t think that my breasts are round because they are an erotic substitute, but so I don’t suffocate my babies when I breast feed. Scientist David Brin, has a different idea about the co-evolution of my breasts - that I can have my youthful traits (which men find attractive) but still display my adultness (that I am physically ready to have sex).'

Evolution of Homosexuality / Bisexuality in Animals

The advancing knowledge in behavioral sciences shows that homosexuality, masturbation, oral sex and other deviations from genital sex are something common in the animal world. Till now, about 500 species have been found to display homosexual behavior.

Sexual / Social Behaviour of Bonobos

Primate Sexual Behaviour: Two female Bonobos enjoying face to face genital sex. Sexual intercourse plays a major role in Bonobo society, being used as a greeting, a means of conflict resolution and reconciliation, and as favors traded by the females in exchange for food. Bonobos are the only apes to have been observed engaging in all of the following sexual activities: face to face genital sex (most frequently female-female, then male-female and male-male), tongue kissing, and oral sex.
Sexual activity happens within the immediate family as well as outside it, and often involves adults and children, even infants.

Evolution of the Human Brain: Sex & Survival

An essay on the evolution of the human brain beginning with the first fishes (450 million years ago), evolving to reptiles (300 million years ago), the first mammals (200 million years ago) and ending with homo sapiens (120 thousand years ago).

From the website: 'The growth of the cerebral cortex culminated in the appearance of Homo Sapiens 120 thousand years ago. The primitive region in the brain, that held the circuits for the instinctive behavior of the reptile and the old mammal, was now completely enveloped by and buried within the human cerebral cortex. Yet this ancient command post is still active within us; it vies with the cerebral cortex for control of the body, pitting the inherited programs of the old brain against the flexible responses of the new one.'

The Hypothalamus

The hypothalamus is an exceedingly ancient structure of the brain. It is the central core from which all emotions derive their motive force and is highly involved in the endocrinal and autonomic nervous systems. The hypothalamus is also sexually differentiated. That is, structurally and functionally the hypothalamus of men and women are sexually dissimilar.

Study of the Brain while watching Pornography

By studying men watching pornographic videos, researchers in Canada have pinpointed areas of the brain that become active when the men tried to avoid being stimulated. In evolutionary terms, these regions of restraint (the prefrontal cortex) are newer than the more primitive areas where the sexual urges arise in the first place (the limbic system).

Report on Pornography, Right and Left Sides of Brain

The visual image is processed by the right side of the brain; print by the left. The latter is rational and analytical; the former holistic and pattern-recognising. Questions need to be asked about the impact of the visual (whether photographic or film) image on the brain, particularly the male brain, which recent research indicates has much less connection between its left and right halves than the female brain, and therefore possibly much less opportunity for the rational left to control the impulses generated by the impressionistic right.

'Sexual Offenders and Pornography: A Causal Connection?' by Marlene Goldsmith

Evolution of Brain: Erotic Images Prove Useful In Coaxing Out Unconscious Brain Activity

When your eyes are presented with erotic images in a way that keeps you from becoming aware of them, your brain can still detect and respond to the images according to your gender and sexual orientation, a team of University of Minnesota psychologists has found.
The purpose of the work was to uncover mechanisms by which the brain processes visual information that is not consciously perceived by the subjects.

Strong Response to Erotic Pictures in both Male & Female Brains

A new study suggests the brain is quickly turned on and 'tuned in' when a person views erotica. When volunteers viewed erotic pictures, their brains produced electrical responses that were stronger than those elicited by other material that was viewed (no matter how pleasant or disturbing). This difference in brainwave response emerged very quickly, suggesting that different neural circuits may be involved in the processing of erotic images. Women had responses as strong as those seen in men.

Differences Between Male and Female Brains

From the essay: "Scientists have discovered that there is a brain region in the cortex, called inferior-parietal lobule (IPL) which is significantly larger in men than in women. The left side IPL is larger in men than the right side. In women, this asymmetry is reversed, although the difference between left and right sides is not so large as in men. This is the same area which was shown to be larger in the brain of Albert Einstein, as well as in other physicists and mathematicians.

Another study by the same group has shown that two areas in the frontal and temporal lobes related to language (the areas of Broca and Wernicke) were significantly larger in women, thus providing a biological reason for women's notorious superiority in language-associated thoughts."

The Evolutionary Psychology of Human Sex and Gender

From the essay: 'The basic evolutionary pressures on males and females are identical. Without regard for gender, genes tend to flourish which encode phenotypes that are successful in obtaining for themselves and their relatives (those who share their genes) healthy and regular supplies of water and food, in procreating, and protecting themselves from diseases and injuries.

This success has ample social dimensions, and because humans are highly social, there is a definite - if modest - gender dimorphism (differences) in the mechanical and mental aptitudes of males and females. .. Cognitive and emotional gender dimorphism correspond directly to dimorphism in somatic anatomy and metabolism.'

The Evolution of Human Emotions: Culture or Biology?

From the essay: 'Because the constituents of emotions vary across languages, some anthropologists argue that emotions are primarily cultural in nature. However, critics note that, while labels and connotations differ across cultures, many emotional expressions (particularly those involving the face) are easily recognized by outsiders. This suggests that, while cultures may determine the meaning of events that elicit emotions, and glorify, disparage, ignore, or combine particular aspects of the emotion repertoire, the core aspects of human emotions are species typical, and hence are likely to be the products of selection.'

Male Sexual Evolution: Sperm, Competition and Violence

Violence is predominately a male phenomena. When it comes to sperm makers, success is likely to crown those who outcompete their rivals, and so, in species after species, it is the males who are larger, nastier, more likely to be armed with lethal weaponry and a violent disposition to match. Natural selection has outfitted males with the tools for success in male-male competition, much of it violent.

Evolution & Puberty: Recent Trends of Early Menarche

From the essay: 'Professors Mark Hanson and Peter Gluckman published their review of the Evolution of Puberty in Trends in Endocrinology and Metabolism (Jan. 2006). The authors discuss the various adaptive mechanisms that may influence the early or late onset of puberty and menarche in human beings, and argue that modern life has allowed a return to the developmental pattern evolved for hunter-gatherer societies.'

Why do we Sleep?

All through the animal kingdom, sleep ranks right up there with food, water and sexual intercourse for the survival of the species. Everybody does it, from fruit flies to Homo sapiens. Yet despite its clear necessity and lots of investigation, scientists still don't know precisely what sleep is for.

Evolution of Knowledge, Sex and Philosophy

This website is an exploration of human evolution but unlike most studies on the evolutionary origins of man, it does not take genetics or genes as its basic idea but epistemology, the theory of knowledge.
Man possesses much more social knowledge than does any other species and the coevolution between our genetic and social natures has had a great impact upon humankind. This enables an understanding of aspects of human sexuality that have previously been mysterious, such as homosexuality and other sexual deviations.

Philosophy of Human Sexuality

An academic essay (from the Internet Encyclopedia of Philosophy) on the Philosophy of Human Sexuality. Contents include the metaphysics of sexuality, moral evaluations, dangers of sex, perversion, Aquinas' Natural Law, fetishism, female sexuality, debates in sexual ethics, consent, conceptual analysis and pleasure.

Male, Female: The Evolution of Human Sex Differences

This book by David C. Geary attempts to explain human sex differences from a single theoretical perspective, Darwin's principles of sexual selection.
Rather than study gender roles (cultural constructions), which is the norm of many social scientists, Geary explores evolutionary biology.

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The main sexuality pages on the evolution of our diverse sexual behaviors have good content and are well worth browsing (see links at top of page). And the list of related sexuality terms that people actually search is informative (to say the least!).
Want to be Involved? Join us in this research, which provides an excellent opportunity to present to the world the latest knowledge about the thing we all find most interesting - sex! The work will not just benefit humanity, it will profoundly enhance your own sexuality as you learn more about our complex and diverse sexual evolution.
We seek help in finding the latest scientific (evolutionary) research on our biological and cultural sexual evolution and distributing content (overviews / summaries) to relevant pages.
This site is well respected. We are listed as the Top Philosophy Website on the Internet with around 500,000 page views each week. So your contributions will be seen and read, and will be providing humanity with a great source of wisdom about a very important subject (that currently suffers due to cultural / religious myths).

If you would like to be involved (or have comments about this website) please write to us using the form lower on this page. Many thanks! Karene

Analyse any human emotion, no matter how far it may be removed from the sphere of sex, and you are sure to discover somewhere the primal impulse, to which life owes its perpetuation. Analyse any human emotion, no matter how far it may be removed from the sphere of sex, and you are sure to discover somewhere the primal impulse, to which life owes its perpetuation. ... The primitive stages can always be re-established; the primitive mind is, in the fullest meaning of the word, imperishable. ... Mans most disagreeable habits and idiosyncrasies, his deceit, his cowardice, his lack of reverence, are engendered by his incomplete adjustment to a complicated civilisation. It is the result of the conflict between our instincts and our culture. (Sigmund Freud)

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Related Search Terms & Number of Searches
Evolution, Human, Sexuality, Reproduction, Bonding, Health, Pleasure, Immune System, Beauty, Primate, Orgasm

Introduction - The following search results provide us with fascinating information on the diversity of sexual behaviors (and fantasies!) that people find interesting. In total there are around 17 million 'adult' searches per day, which equates to about 5% of total searches on the Internet. While it is fun just to browse through the results to see what people search, they also provide us with important information that helps us better understand the truth about our biological and cultural evolution. See:
Top 17,000 Adult Related Search Terms on the Internet (2007)
Top 200 Adult Related Search Terms on the Internet (2007)

Searching for Truth - While most people may not think about 'truth' very often, it is clearly important to us, being necessary if we are to think and act wisely (philosophy is founded on this). While these pages explore the truth about our sexuality, this philosophy website also has a strong physics and metaphysics foundation (i.e. the study of physical reality as the ultimate / absolute source of truth).

Given the state of the world, the 'Inconvenient Truth' about Global Warming and Climate Change, thus the necessity for humanity to think and act more wisely, it is a sobering fact that few people search subjects such as Truth (4,000), Reality (3,000), Physics (2,000), Philosophy (1,000), Metaphysics (500), Truth and Reality (10).
i.e. There are about 100 'adult' searches for every 1 science related search.
While sex is obviously important to us (for pleasure and survival), it is clear that truth and reality are also important for our future survival. So we hope that you will stop and think about truth and reality from time to time - look at the world and think about how you (and everything around you) exists in Space - there is a simple solution.

Warning! These search terms (below) are Adult Only & contain detailed Sexual Language.

beauty (5,684), beauty salon (10,467), beauty and the beast (3,629), beauty product (2,916), health and beauty (2,578), beauty supply (2,379), sally beauty supply (2,032), beauty fitness (1,766), sleeping beauty (1,031), bath beauty (951), asian beauties (900), beauty schools (814), beauty salon chicago (779), american beauty (662), natural beauty (655), busty beauties (600), global beauty (581), beauty shop (561), japanese beauties (500), bathing beauties (500), black beauty (442), beauty pageant (441), brazilian beauties (400), beauty tip (378), asian beauty (369), beauty salon boston (366), beauty salon dallas (348), bathing beauty (346), folica beauty supply (253), beauty in the breakdown (247), beauty contest (224)

bonding (180)

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evolution (2,700), human evolution (430), theory of evolution (425), Sexual Evolution (10)

evolutionary theory (49), evolutionary psychology (47), evolutionary timeline (21), evolutionary versus social mate preferences (21), effects of evolutionary biotechnology (15), evolutionary perspective (15), evolutionary prototyping model (15), evolutionary astrology (13), evolutionary theroy applied developmental psychology (13), evolutionary tree (11), freedom of expression and evolutionary perspective (11), static model vs evolutionary design (11), evolutionary flexibility (10), evolutionary journal psychology (10), evolutionary relationship of slime (10), evolutionary psychology (36), evolutionary explained origin religion religious thought (29), biologist christian evolution evolutionary faith reflection (23), the structure of evolutionary theory (22), evolutionary theory (22), evolutionary biology (21), evolutionary witch craft (15), evolutionary (14)

female sexuality (420), studies in female sexuality (35), understanding female sexuality (30), women's sexuality (500), pleasuring her sexuality (390)

health (9,000), he.... insurance (8,459), health womens (4,751), club he.... (4,723), care he.... (3,815), health man (3,065), beauty health (2,578), he.... mental (2,369), mens he.... (2,347), care he.... united (2,150), club gyms he.... (2,070), food he.... store (2,045), food he.... (1,631), he.... services (1,359), coverage he.... insurance (1,319), facility he.... services (1,267), cost he.... insurance low (1,237), affordable he.... insurance (1,229), food he.... vitamin (1,207), he.... mental services (1,124), care he.... introduction system u.s (1,099), he.... insurance quote (1,054), he.... pet (985), he.... individual insurance (962), care consumer driven he.... implication maker payer policy provider (937), health sexual (932), department he.... (891), fitness he.... (857), he.... home services (845), dog he.... (795), california he.... insurance (758), care confronting failing fixing he.... meltdown myth our system (752), he.... lange policy understanding (727), clinic he.... (721), care he.... home (715), he.... insurance international (675), men's health (628), care he.... job (628), business care he.... innovation (595), he.... yahoo (588), he.... insurance travel (585), he.... insurance plan (556), he.... organization world (550),he.... insurance texas (549), brave care he.... new world (536), cheap he.... insurance (533), aetna he.... insurance (527), women's he.... (522), agency he.... (508), he.... spa (496), cat he.... (489), company he.... insurance (480), he.... plan (480), he.... information (452), he.... insurance student (423), family he.... insurance (413), he.... reproductive womens (411), california he.... (407), he.... man s (399), 7th care delivery edition he.... in jonas kovners state united (398), cardinal he.... (385), health news (377)

human (894), animal sex with hu... (3,428), hu... resource (2,241), hu... body (2,074), hu... anatomy (1,825), hu... heart (1,813), hu... genetics (1,778), hu... league (1,257), hu... sex with animals (1,123), hu... management resource (1,021), fates germ gun hu... society steel (972), human brain (892), hu... skeleton (878), hu... right (744), hu... growth hormone (712), hu... rights (685), growth hormone hu... (628), hu... intelligence new relationship science social (628), anatomy body fasci grays hu... muscle (586), hu... cloning (568), extension hair hu... (549), brain hu... music obsession science this (544), the hu... body (541), hu... evolution (519), hu... papilloma virus (464), biology hu... near singularity transcend when (387), biology human (381), hu... nature (370), hu... sale (362), hu... services (354), development hu... (343), anatomy hu... physiology (340), abstract hu... (338), heart human (336), 7th anatomy edition hu... physiology (330), cadaver curious hu... life stiff (312), brain hu... (310), department hu... services (310), hair hu... wig (299), anatomy hu... model (298), anatomy atlas basic hu... netter netteranatomy.com science (294), hu... physiology (275), body hu... part (273), hu... job resource (251), behavior determinant force hidden hu... power vs (247), canada hu... resource (246), anatomy body hu... (244), cloning hu... (242), department hu... services texas (231), hu... society (230), canada development hu... resource (230), evolution hu... (229), hu... trafficking (218), edition fates germ gun hu... new society steel (218), art controlling deception element hu... security (210), anatomy atlas human (206)

immune system (870), strengthen immune system (255), boost immune system (200), improve immune system (200), immune system booster (145), function of the immune system (90), immune system support (70), strengthening your immune system (70), healthy immune system (70)

male sexuality (225), sexuality teenage male (20), teen male sexuality (15), young male sexuality (15), male teen sexuality (15), male adolescent sexuality (10), male spiritual sexuality (10), male female sexuality (10)

orgasm (30,044), female orgasm (12,201), orgasms (4,183), orgasm squirting (2,008), girl orgasm (1,711), lesbian orgasm (1,516), female orgasm video (1,254), orgasm teen (1,193), anal orgasm (1,000), squirting female orgasms (1,000), male orgasm (600), orgasm screaming (500), orgasm real (290), orgasm woman (282), forced orgasm (231), clip free orgasm (226), mature orgasm (223), female free orgasm video (212), orgasm sybian (204), denial orgasm (201), orgasm pussy (186), orgasm squirt (183), first orgasm (174), orgasm wet (167), female free movie orgasm (157), female orgasm video (148), give orgasm yourself (146), asian orgasm (144), machine orgasm (139), dildo orgasm (139), orgasm sound (125), orgasm video (123), orgasm squirting video (119), multiple orgasm (116), amateur orgasm (104), orgasm sex (103)

primate (250) primate mating (35), primate research (30), primate anatomy (25), primate brain (20), primate evolution (20), primate sex (20), Primate Behavior (2)

reproduction (530), sexual reproduction (330), human reproduction (325), human sexual reproduction (150)

For the complete Search Results see

All 'Adult' Internet Search Results

Top 200 'Adult' Search Terms

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Philosophy of Sex: On the Evolutionary Functions of Sex: Reproduction, Relationships & Couple Bonding, Evolution of Immune System, Hormone Function, Mental Health, Education, Evolution of Beauty, Bisexuality & Primate Sexual Behaviour.

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Related Pages Philosophy of Sexual Evolution: Beauty, Bonding, Health, Pleasure
Anatomy: Pictures and Information on the Male and Female Human Body	Nudity: Public vs Private (Family). Evolution, Culture, Ethics, Law
Animal Copulation: Interesting Facts & Pictures of Animal Mating Behaviour	Philosophy of Love, Sex & Orgasm
Beauty & Natural Health: What we have Evolved to Find Beautiful	Pleasure: Erogenous Zones, Mind & Body
Beautiful Babes: Beauty of Body & Mind, Picture Gallery of Women	Primate Sexual Behaviour
Biology: Human Sexual Biology, Male & Female Genitals	Promiscuity: Male & Female Reproductive Strategies, Competition, Benefits
Brain: Sexual Arousal, Orgasm, Limbic System, Left Right Emotion Reason	Relationship Advice for Couples: Cultivation, Creativity, Love & Truth
Differences between Men & Women: Parental Care, Mating Strategies	Reproduction: Sexual vs Asexual, Male & Female Reproductive Systems
Hair & Clothing: Evolution of Body Hair, Sexuality, Beauty & Fashion	Sleep: Disorders, Sleeping with Family (Baby, Children, Dog)
Hormones: Function of Oxytocin, Estrogen, Testosterone	Testosterone: Androgens, Declining Levels, Emotions, Violence
Immune System: Function, Strengthen Immunity with Sex

Evolutionary Philosophy of Human Sexuality Sexual Functions: Reproduction, Relationships & Couple Bonding, Stimulation of Immune System, Hormone Function, Mental Health, Education. On the Evolution of Beauty, Bisexuality & Diverse Primate Sexual Behaviour.