The 'in-law effect': Male fruit flies sleep around but females keep it in the family
Male fruit flies like to have a variety of sexual partners, whereas females prefer to stick with the same mate – or move on to his brothers.
Male fruit flies like to have a variety of sexual partners, whereas females prefer to stick with the same mate – or move on to his brothers.
Plants & Animals
Sep 24, 2013
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A University of Portland study challenges the popular perception that there is a "new and pervasive hookup culture" among contemporary college students.
Social Sciences
Aug 13, 2013
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We've heard the clichés: "It was love at first sight," "It's inner beauty that truly matters," and "Opposites attract." But what's really at work in selecting a romantic or sexual partner?
Social Sciences
Feb 8, 2013
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More than 900 million people worldwide are active users of the social networking site Facebook, and it is estimated that as many as one-third report using Facebook to check on the activities of former romantic partners. The ...
Social Sciences
Sep 19, 2012
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The great variation of a specific form of immune genes makes organ transplants so complicated. On the other hand, we need such a great variability in order to resist infectious diseases. This is why it also plays a major ...
Biotechnology
Jan 10, 2012
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In the animal world, males typically search for their female partners. The mystery is that in some species, you get a reversal -- the females search for males.
Plants & Animals
Sep 28, 2011
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An older man whose female partner is chummy with his pals is more likely to suffer from sexual dysfunction than men who keep their confidantes to themselves, reports a new Cornell study. However, this link disappeared among ...
Social Sciences
Aug 26, 2011
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(PhysOrg.com) -- In a new study titled Male-Female Coevolution in the Wild: Evidence from a Time Series in Artemia Franciscana and published in Evolution, evolutionary ecologist Nicolas Rode from the Centre for Functional ...
How do females select partners? Darwin's initial idea that the fittest males would be the most desirable and would therefore be most likely to secure partners has represented a cornerstone of evolutionary theory since the ...
Plants & Animals
May 27, 2011
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Mate guarding is classified as excessive or unwarranted jealous or protective behavior towards a spouse or mate. This is common among many different species and can be useful to defend territory, guarantee paternity, or prevent ...
Social Sciences
Feb 1, 2011
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