In the science of sexual attraction, size matters
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Size matters in the science of sexual attraction -- especially if you are a fish.
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Scientists say they have shown how male homosexuality could be passed from generation to generation.
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Women place a big emphasis on kissing, while men just see it as a route to sex, researchers say.
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Scientists reported today  they have uncovered a biological switch by which stress can promote obesity, a discovery that could help explain the world's growing weight problem and lead to new ways to both melt flab and manipulate fat for cosmetic purposes.
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In the world of sexual research, some experts like to compare men to a light switch: It doesn&#39;t take a whole lot of effort to turn them on.
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Studies of genetic recombination suggest that genetic shuffling varies by gender.
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When a male grizzly rubs a pine tree with his backside, it&#39;s not to satisfy an itch but to ward off competition while he looks for a female, according to unusual research to be unveiled next week.
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Female promiscuity in butterflies has been found to rise as bacteria kill off male partners.
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NEW YORK  - Both gay and heterosexual men  are equally likely to aspire to an unattainable body type, or  to harbor a distorted image of their actual body, new research  indicates.
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Beyond the tired cliches and sperm-and-egg basics taught in grade school science class, researchers are discovering that men and women are even more different than anyone realised.
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Scientists believe measuring your waist could be a better indicator of future health than weighing yourself.
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A chemical in male sweat can boost mood, brain activity and sexual arousal in heterosexual women, according to a new study released just in time for Valentine's Day.
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it's the short cut to success at speed-dating. In what is billed as the first study of its kind, two academics found there is no short cut to true love.
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Why do we gossip? Evolution may hold some surprising answers.
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Size matters in pornography, except when it comes to tiny mobile phone screens, the next frontier for erotica.
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Two new studies suggest that what&#39;s not happening in the bedroom may be a key factor into why so many of us are gaining weight.
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A medical expert on how NASA screens its astronauts and whether the intimacy of their training makes them more prone to romantic liaisons.