In ultra-conservative Saudi Arabia, where the sexes are strictly segregated, traditional matchmakers face tough competition from blossoming marriage services on online social networks.
Feb 13, 2013
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(PhysOrg.com) -- A new study shows the production of sperm is more biologically taxing than previously thought, and expending energy on it has significant health implications.
Jan 30, 2012
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Scientists have shown that modern humans have some traces of genes from Neanderthals, but a study out Monday suggests that any breeding between the two was most likely a rare event.
Sep 12, 2011
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(PhysOrg.com) -- Men who make less money than their female partners are more likely to be unfaithful, according to a new study.
Aug 26, 2010
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University of Minnesota Project Eating Among Teens (EAT) researchers have found that young adults engaging in casual sexual encounters do not appear to be at increased risk for harmful psychological outcomes as compared to ...
Dec 08, 2009
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