Audrey Munson (a real-life model) first appeared artistically nude in George Foster Platt's controversial Inspiration (1915) from the Mutual Film Corporation, as a sculptor's model. It was the first known film in which a leading actress stripped down to be naked, making her the first nude film star. Munson also appeared nude in another silent film, Rea Burger's 7-reel Purity (1916), in a dual role as a spirit figure and as an artist's nude model named Purity/Virtue.
Outside of government, both sexes seem to be waging a war on the post-2008 new normal. — James Freeman, WSJ, "Gender, Likability and Opportunity," 7 Jan. 2019 Even if feminism, by definition, means political, economic, and social equality of the sexes—and who can’t get behind that?—the term has attached to it a stigma of chilliness, prudishness, humorlessness. — Lili Anolik, Harper's BAZAAR, "How Eve Babitz Is Becoming an Unlikely Icon for Millennial Women," 24 Jan. 2019 Most history-conscious people in America and across the world know, for instance, the story of the My Lai Massacre of March 1968, when U.S. troops murdered at least 504 Vietnamese people of all ages and both sexes. — Max Hastings, WSJ, "The Hidden Atrocities of the Vietnam War," 4 Oct. 2018 Forget xoxo as the new exclamation point—was the email sign-off the new sparring ground for the battle of the sexes? — Chloe Schama, Vogue, "“XOXO”: What Does Your Email Sign-Off Say About You?," 20 Sep. 2018 The gynandromorph, as it is known, has a mixture of male and female genes and expresses traits from both sexes. — Jason Daley, Smithsonian, "Rare Yellow Cardinal Spotted at Alabama Bird Feeder," 27 Feb. 2018 Christopher Kane is not put off by sex’s sorta-bad name. — Steff Yotka, Vogue, "The Joys of Sex, According to Christopher Kane," 26 Sep. 2018 This may be due in part to neurotransmitters acting differently in people of different sexes. — Nina Bahadur, SELF, "9 Facts to Know About Schizophrenia, Which Is Way Too Misunderstood," 15 Sep. 2018 The juvenile fish, whose sexes still have not been determined, were using all their energy in futile attempts to stay above the floor of their habitat. — Karin Brulliard, The Seattle Times, "To save fish that can’t swim, veterinarian made them tiny floaties," 4 Sep. 2018

In more recent decades, by contrast, teen romantic relationships appear to have grown less common. In 1995, the large longitudinal study known as “Add Health” found that 66 percent of 17-year-old men and 74 percent of 17-year-old women had experienced “a special romantic relationship” in the past 18 months. In 2014, when the Pew Research Center asked 17-year-olds whether they had “ever dated, hooked up with or otherwise had a romantic relationship with another person”—seemingly a broader category than the earlier one—only 46 percent said yes.
Over the course of many conversations with sex researchers, psychologists, economists, sociologists, therapists, sex educators, and young adults, I heard many other theories about what I have come to think of as the sex recession. I was told it might be a consequence of the hookup culture, of crushing economic pressures, of surging anxiety rates, of psychological frailty, of widespread antidepressant use, of streaming television, of environmental estrogens leaked by plastics, of dropping testosterone levels, of digital porn, of the vibrator’s golden age, of dating apps, of option paralysis, of helicopter parents, of careerism, of smartphones, of the news cycle, of information overload generally, of sleep deprivation, of obesity. Name a modern blight, and someone, somewhere, is ready to blame it for messing with the modern libido.

One recurring theme, predictably enough, was porn. Less expected, perhaps, was the extent to which many people saw their porn life and their sex life as entirely separate things. The wall between the two was not absolute; for one thing, many straight women told me that learning about sex from porn seemed to have given some men dismaying sexual habits. (We’ll get to that later.) But by and large, the two things—partnered sex and solitary porn viewing—existed on separate planes. “My porn taste and partner taste are quite different,” one man in his early 30s told me, explaining that he watches porn about once a week and doesn’t think it has much effect on his sex life. “I watch it knowing it is fiction,” a 22-year-old woman said, adding that she didn’t “internalize” it.
Many critiques of online dating, including a 2013 article by Dan Slater in The Atlantic, adapted from his book A Million First Dates, have focused on the idea that too many options can lead to “choice overload,” which in turn leads to dissatisfaction. Online daters, he argued, might be tempted to keep going back for experiences with new people; commitment and marriage might suffer. Michael Rosenfeld, a sociologist who runs a longitudinal study out of Stanford called “How Couples Meet and Stay Together,” questions this hypothesis; his research finds that couples who meet online tend to marry more quickly than other couples, a fact that hardly suggests indecision.
Either of two divisions, male and female, into which most sexually reproducing organisms are grouped. Sex is usually determined by anatomy, the makeup of the sex chromosomes, and the type and amount of hormones produced. When the sex of an organism is determined by the sex chromosomes, males and females are generally produced in equal numbers. In other organisms, such as bees and wasps, in which females develop from fertilized eggs and males develop from unfertilized eggs, distribution of the sexes is unequal.
During ovulation, the ovum travels down the Fallopian tubes to the uterus. These extend about four inches (10 cm) from both sides of the uterus. Finger-like projections at the ends of the tubes brush the ovaries and receive the ovum once it is released. The ovum then travels for three to four days to the uterus.[8][page needed] After sexual intercourse, sperm swim up this funnel from the uterus. The lining of the tube and its secretions sustain the egg and the sperm, encouraging fertilization and nourishing the ovum until it reaches the uterus. If the ovum divides after fertilization, identical twins are produced. If separate eggs are fertilized by different sperm, the mother gives birth to non-identical or fraternal twins.[29]
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Because plants are immobile, they depend upon passive methods for transporting pollen grains to other plants. Many plants, including conifers and grasses, produce lightweight pollen which is carried by wind to neighboring plants. Other plants have heavier, sticky pollen that is specialized for transportation by insects. The plants attract these insects or larger animals such as humming birds and bats with nectar-containing flowers. These animals transport the pollen as they move to other flowers, which also contain female reproductive organs, resulting in pollination.
The sexual response cycle is a model that describes the physiological responses that occur during sexual activity. This model was created by William Masters and Virginia Johnson. According to Masters and Johnson, the human sexual response cycle consists of four phases; excitement, plateau, orgasm, and resolution, also called the EPOR model. During the excitement phase of the EPOR model, one attains the intrinsic motivation to have sex. The plateau phase is the precursor to orgasm, which may be mostly biological for men and mostly psychological for women. Orgasm is the release of tension, and the resolution period is the unaroused state before the cycle begins again.[8][page needed]
In complex organisms, the sex organs are the parts that are involved in the production and exchange of gametes in sexual reproduction. Many species, both plants and animals, have sexual specialization, and their populations are divided into male and female individuals. Conversely, there are also species in which there is no sexual specialization, and the same individuals both contain masculine and feminine reproductive organs, and they are called hermaphrodites. This is very frequent in plants.[8]

Sexual health is a broad term that encompasses many aspects including sexual activities. “Sex” relates to the sexual activities that people engage in. What people do sexually is as diverse as the many activities that are out there. Sex will mean different things to different people based on things such as their values, beliefs, preferences, desires, comfort level, partners, clients, etc. For instance, sex for one person might be oral sex. For another person ‘oral sex’ might not mean sex but might mean ‘fooling around’. One person may include ‘phone sex or sexting’ in their definition of sex, while another person might say, even if we sent sexy pictures to each other it does not mean ‘sex’ to me unless we are physically touching. There is no right or wrong in this…it all depends on how you define sex for you.

Apart from helping people avoid the potential embarrassments (if also, maybe, the exhilaration) of old-fashioned flirting, apps are quite useful to those who are in what economists call “thin markets”—markets with a relatively low number of participants. Sexual minorities, for example, tend to use online dating services at much higher rates than do straight people. (Michael Rosenfeld—whose survey deliberately oversampled gays and lesbians in an effort to compensate for the dearth of research on their dating experiences—finds that “unpartnered gay men and unpartnered lesbians seem to have substantially more active dating lives than do heterosexuals,” a fact he attributes partly to their successful use of apps. This disparity raises the possibility that the sex recession may be a mostly heterosexual phenomenon.)
Human sexuality can be understood as part of the social life of humans, which is governed by implied rules of behavior and the status quo. This narrows the view to groups within a society.[18][page needed] The socio-cultural context of society, including the effects of politics and the mass media, influences and forms social norms. Before the early 21st century, people fought for their civil rights. The civil rights movements helped to bring about massive changes in social norms; examples include the sexual revolution and the rise of feminism.[69][70]
Biologists studying evolution propose several explanations for why sexual reproduction developed and why it is maintained. These reasons include reducing the likelihood of the accumulation of deleterious mutations, increasing rate of adaptation to changing environments,[11] dealing with competition, DNA repair and masking deleterious mutations.[12][13][14] All of these ideas about why sexual reproduction has been maintained are generally supported, but ultimately the size of the population determines if sexual reproduction is entirely beneficial. Larger populations appear to respond more quickly to some of the benefits obtained through sexual reproduction than do smaller population sizes.[15]
The song was a commercial success in the United Kingdom and Australia. On the UK Singles Chart dated 8 September 2016, the song debuted at number 83. Eight weeks later, on the chart dated 3 November 2016, the song rose to number 6, becoming Neiked's first top ten hit, and Dyo's fifth.[12] On its fifteen week on the chart, dated 15 December 2016, the song moved to number five, becoming Dyo's fourth top five hit.[13] On the Australian Singles Chart dated 6 November 2016, "Sexual" debuted at number 33. On the chart dated 21 November 2016, it rose to number four, where it peaked.[14]
On Sunday afternoon, Attorney General Bill Barr presented a summary of Special Counsel Robert Mueller’s conclusions that contained a few partial sentences from Mueller’s final report, one of which directly addressed the question of collusion between Donald Trump’s campaign and Russia: “The investigation did not establish that members of the Trump campaign conspired or coordinated with the Russian government in its election interference activities.” In a footnote, Barr explained that Mueller had defined “coordination” as an “agreement—tacit or express—between the Trump campaign and the Russian government on election interference.”
The recession metaphor is imperfect, of course. Most people need jobs; that’s not the case with relationships and sex. I talked with plenty of people who were single and celibate by choice. Even so, I was amazed by how many 20-somethings were deeply unhappy with the sex-and-dating landscape; over and over, people asked me whether things had always been this hard. Despite the diversity of their stories, certain themes emerged.
In more recent decades, by contrast, teen romantic relationships appear to have grown less common. In 1995, the large longitudinal study known as “Add Health” found that 66 percent of 17-year-old men and 74 percent of 17-year-old women had experienced “a special romantic relationship” in the past 18 months. In 2014, when the Pew Research Center asked 17-year-olds whether they had “ever dated, hooked up with or otherwise had a romantic relationship with another person”—seemingly a broader category than the earlier one—only 46 percent said yes.
Sex helps the spread of advantageous traits through recombination. The diagrams compare evolution of allele frequency in a sexual population (top) and an asexual population (bottom). The vertical axis shows frequency and the horizontal axis shows time. The alleles a/A and b/B occur at random. The advantageous alleles A and B, arising independently, can be rapidly combined by sexual reproduction into the most advantageous combination AB. Asexual reproduction takes longer to achieve this combination, because it can only produce AB if A arises in an individual which already has B, or vice versa.
The bryophytes, which include liverworts, hornworts and mosses, reproduce both sexually and vegetatively. They are small plants found growing in moist locations and like ferns, have motile sperm with flagella and need water to facilitate sexual reproduction. These plants start as a haploid spore that grows into the dominate form, which is a multicellular haploid body with leaf-like structures that photosynthesize. Haploid gametes are produced in antherida and archegonia by mitosis. The sperm released from the antherida respond to chemicals released by ripe archegonia and swim to them in a film of water and fertilize the egg cells thus producing a zygote. The zygote divides by mitotic division and grows into a sporophyte that is diploid. The multicellular diploid sporophyte produces structures called spore capsules, which are connected by seta to the archegonia. The spore capsules produce spores by meiosis, when ripe the capsules burst open and the spores are released. Bryophytes show considerable variation in their breeding structures and the above is a basic outline. Also in some species each plant is one sex while other species produce both sexes on the same plant.[27]
The breasts are external organs used for sexual pleasure in some cultures. Western culture is one of the few in which they are considered erotic.[8][page needed] The breasts are the subcutaneous tissues on the front thorax of the female body.[29] Breasts are modified sweat glands made up of fibrous tissues and fat that provide support and contain nerves, blood vessels and lymphatic vessels.[29] Their purpose is to provide milk to a developing infant. Breasts develop during puberty in response to an increase in estrogen. Each adult breast consists of 15 to 20 milk-producing mammary glands, irregularly shaped lobes that include alveolar glands and a lactiferous duct leading to the nipple. The lobes are separated by dense connective tissues that support the glands and attach them to the tissues on the underlying pectoral muscles.[29] Other connective tissue, which forms dense strands called suspensory ligaments, extends inward from the skin of the breast to the pectoral tissue to support the weight of the breast.[29] Heredity and the quantity of fatty tissue determine the size of the breasts.[8][page needed]
Human sexuality can be understood as part of the social life of humans, which is governed by implied rules of behavior and the status quo. This narrows the view to groups within a society.[18][page needed] The socio-cultural context of society, including the effects of politics and the mass media, influences and forms social norms. Before the early 21st century, people fought for their civil rights. The civil rights movements helped to bring about massive changes in social norms; examples include the sexual revolution and the rise of feminism.[69][70]
Certain species of animals also have sex for other purposes than to bear offspring. These include Humans, bonobos,[7] chimpanzees and dolphins.[8] These species also are among those known to engage in homosexual behaviors.[9] In both humans and bonobos, the female has a relatively concealed ovulation. Neither male or female partners commonly know whether she is fertile at any given moment. One reason for this may be that sex partners of these species form strong emotional bonds. The partners come together for more than just sexual intercourse. In the case of humans, long-term partnership is more important than immediate sexual reproduction.[10]
I thought of these comments when Pornhub, the top pornography website, released its list of 2017’s most popular searches. In first place, for the third year running, was lesbian (a category beloved by men and women alike). The new runner-up, however, was hentai—anime, manga, and other animated porn. Porn has never been like real sex, of course, but hentai is not even of this world; unreality is the source of its appeal. In a New York–magazine cover story on porn preferences, Maureen O’Connor described the ways hentai transmogrifies body parts (“eyes bigger than feet, breasts the size of heads, penises thicker than waists”) and eroticizes the supernatural (“sexy human shapes” combine with “candy-colored fur and animal horns, ears, and tails”). In other words, the leading search category for porn involves sex that half the population doesn’t have the equipment to engage in, and the runner-up isn’t carnal so much as hallucinatory.
Before the rise of agriculture, groups of hunter/gatherers (H/G) and nomads inhabited the world. Within these groups, some implications of male dominance existed, but there were signs that women were active participants in sexuality, with bargaining power of their own. These hunter/gatherers had less restrictive sexual standards that emphasized sexual pleasure and enjoyment, but with definite rules and constraints. Some underlying continuities or key regulatory standards contended with the tension between recognition of pleasure, interest, and the need to procreate for the sake of social order and economic survival. H/G groups also placed high value on certain types of sexual symbolism. Two common tensions in H/G societies are expressed in their art, which emphasizes male sexuality and prowess, with equally common tendencies to blur gender lines in sexual matters. One example of these male-dominated portrayals is the Egyptian creation myth, in which the sun god Atum masturbates in the water, creating the Nile River. In Sumerian myth, the Gods' semen filled the Tigris.[91][page needed]
↑ Jump up to: 8.0 8.1 Dinitia Smith, "Central Park Zoo's gay penguins ignite debate", San Francisco Chronicle (February 7, 2004). Article is mainly about gay penguins but also mentions homosexuality in dolphins, and also says 'In bonobos, she noted: "you see expressions of sex outside the period when females are fertile."' Available online at http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2004/02/07/MNG3N4RAV41.DTL.

Al Franken, the former Democratic senator from Minnesota, should never have been pressured, even bullied, into resigning from office. The accusations against him were not properly vetted. Their seriousness was not properly weighed. Nevertheless, the frenzy that followed the accusations resulted in his Democratic colleagues making it impossible for him to continue as a senator.
Adult performer and fetish model Casey Calvert also agrees on missionary being a favorite. “In my book, relaxation is step one to orgasm,” she says. “But besides that, missionary is my No. 1 position because I can control the angle of my pelvis to make sure he's really hitting just the right spot. I can do the same in cowgirl; I'm just more of a girl-on-the-bottom kinda girl!”
Is There Still Sex in the City? marks the latest high-profile series project to come out of Paramount Television and Anonymous Content’s first-look production deal for scripted programming. The partnership has yielded such series as Netflix’s Maniac, starring Emma Stone and Jonah Hill and directed by Cary Joji Fukunaga, and 13 Reasons Why, currently in production on season 3; TNT’s Emmy-nominated limited series The Alienist and upcoming sequel The Angel of Darkness; Hulu’s Catch-22, a six-part limited series based on Joseph Heller’s seminal novel of the same name, with George Clooney and Grant Heslov; Apple’s Shantaram, based on the international bestselling novel from Gregory David Roberts; Time Bandits, based on Terry Gilliam’s British fantasy film; Home Before Dark, inspired by the real-life story of 11-year-old Hilde Lysiak, starring Brooklynn Prince, executive produced and directed by Jon M. Chu; an epic television series adaptation of Anne Rice’s entire The Vampire Chronicles series of novels set at Hulu; and Margaret Atwood’s best-selling Maddaddam trilogy that includes three stunning novels—Oryx and Crake, The Year of the Flood and Maddaddam.
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