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Researchers Tag Eggs and Embryos With Bar Codes, For Easy In-Vitro Fertilization
Barcoded EggsAutonomous University of BarcelonaThe bar code tags do not remain in the fully grown organism Critics of the selection that's often involved in assisted reproductive technology - picking a...
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Controversial Ideas: Does Semen Act As an Antidepressant to the Recipient?
CondomsCarlos tThe saga of "Semengate"Back in 2002, psychologists at the State University of New York at Albany published a study in the Archives of Sexual Behavior looking at the potential role of...
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The Psychology of Semen, Part Two: Your Questions Answered
Sperm in ActionDoug Struthers via Getty ImagesCome again? After my first Sex Files column last week, "Is Semen An Antidepressant?," many people have asked some great further questions that I want to...
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Why Sex With Creatures from the Future Is a Bad Idea
Brine ShrimpHans HillewaertResearchers test sexual adaptations in time-traveling brine shrimp When time travel finally becomes possible, we might want to think twice about getting it on. According to a...
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The Science of Gaydar: How Ovulation and Sexy Stories Sharpen Sexual Perception
Radar InstallationBukvoedMadam, your gaydar is beepingOn a scale of 1 to George Michael, I'd put my gaydar at about 7. But evidently my so-so ability to spot a gay man sharpens close to when I'm...
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What Is the Point of the Female Orgasm?
ClimaxBenjamin Rondel / Getty ImagesA new study examines "orgasmability" to determine whether it serves a purpose or is just an evolutionary accident There may be few questions of human sexuality more...
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Can Animals Really Be Gay?
SquidMinette LayneOr are they just curious? Scientists at California's Monterey Bay Aquarium Research Institute and the University of Rhode Island recently reported on the same-sex mating habits of...
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How Men Can Decode Women's Menstrual Cycles
Photo Quiz! Can you tell which one of these women is ovulating and which one is menstruating? Wikimedia CommonsThe clues are in her voice "Are you on your period?" It's a question most women have been...
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Does a Splash of Red Make a Woman More Attractive?
Angelina in Red LipstickDan MacMedan/WireImageAnd if so, why? At the Oscars this year, Angelina Jolie paired a leggy black dress with bombshell hair. What stood out, though, was her bright red...
View ArticleQ&A: The Surprising Phenomenon of Exercise-Induced Orgasms
A first-person coregasm testimonial According to a new study by sex researchers at the Indiana University, women having orgasms during exercise is a real phenomenon. As far as the researchers know,...
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After Decades of Mystery, Has the G-Spot Been Found?
Blue GProcsilasA surgeon claims to have found the fabled organ, but skeptics say not so fast For decades, researchers have argued over the existence of the G-spot, a supersensitive spongy organ on the...
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What Our Eyes Say About Our Sexual Preferences
PupilSarah CartwrightWomen are more flexible in their desires than men, study suggests Cornell University researchers used porn and measures of pupil dilation to study arousal in straight-, gay- and...
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Strong Hands and Voice Pitch Really Are Signs of Fertility
Strong, Fertile HandsFlickr/Nationaal ArchiefNew research strengthens the link between physical attributes and baby-making potential Recent research tells us that the sound of our voices betrays clues...
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Rape Results In More Pregnancies Than Consensual Sex, Not Fewer
Todd AkinUnited States CongressFact-checking Todd Akin As you've probably heard by now, in an interview Sunday, Missouri Representative and Republican Senate nominee Todd Akin said he believed that...
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Could Scientists Have Found A Gay Switch?
Pop Art Couple© Rceeh | Dreamstime.comEpigenetic molecules that regulate genes may influence homosexuality. Gayness may not be in our genes, but in the molecules that regulate them. New research...
View ArticleHow Men Can Decode Women's Menstrual Cycles
“Are you on your period?” It’s a question most women have been asked at one point or another by their boyfriend or spouse during a disagreement. It turns out that some men…
View ArticleDoes a Splash of Red Make a Woman More Attractive?
At the Oscars this year, Angelina Jolie paired a leggy black dress with bombshell hair. What stood out, though, was her bright red lipstick. I thought she looked great,…
View ArticleQ&A: The Surprising Phenomenon of Exercise-Induced Orgasms
According to a new study by sex researchers at the Indiana University, women having orgasms during exercise is a real phenomenon. As far as the researchers know, this is the…
View ArticleAfter Decades of Mystery, Has the G-Spot Been Found?
For decades, researchers have argued over the existence of the G-spot, a supersensitive spongy organ on the front vaginal wall that many women report causes vaginal, rather…
View ArticleWhat Our Eyes Say About Our Sexual Preferences
Cornell University researchers used porn and measures of pupil dilation to study arousal in straight-, gay- and bisexual-identifying men and women, reports a study published…
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