News tagged with male competition
Some males react to competition like bonobos, others like chimpanzees
The average man experiences hormone changes similar to the passive bonobo prior to competition, but a "status-striving" man undergoes changes that mirror those found in a chimpanzee, say researchers from Duke and Harvard ...
Jun 28, 2010 |
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It was brawn over beauty in human mating competition
(PhysOrg.com) -- Male physical competition, not attraction, was central in winning mates among human ancestors, according to a Penn State anthropologist.
May 13, 2010 |
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When climate is iffy, birds sing a more elaborate tune
Why is it that some birds sing such elaborate songs and others not so much? A new study published online on May 21st in Current Biology, a Cell Press publication, says that climate patterns might be part of the answer.
May 21, 2009 |
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Search results for male competition
The power of estrogen -- male snakes attract other males
A new study has shown that boosting the estrogen levels of male garter snakes causes them to secrete the same pheromones that females use to attract suitors, and turned the males into just about the sexiest ...
Feb 10, 2012 |
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Army studies: High recurrence of shoulder instability, better arthroscopic repair outcomes
Two studies on shoulder instability in a military population were presented today by U.S. Army sports medicine surgeons at the American Academy of Orthopaedic Surgeons' annual meeting. Findings in one study suggest patients ...
Feb 09, 2012 |
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Study of diving beetles suggest sperm evolution may be driven by changes in female reproductive organs
Studying female reproductive tracts and sperm in diving beetles (Dytiscidae), researchers from the University of Arizona and Syracuse University have obtained a glimpse into a bizarre and amazing world of spe ...
Feb 06, 2012 |
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Sex-specific behaviors traced to hormone-controlled genes in the brain
Hormones shape our bodies, make us fertile, excite our most basic urges, and as scientists have known for years, they govern the behaviors that separate men from women. But how?
Feb 02, 2012 |
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Scientists show positive effects of affirmative action policies promoting women
Interventions to promote women have continuously been criticized as ineffective and inhibiting performance. Economists of the University of Innsbruck have now rejected this criticism; they conducted a series of experiments ...
Other Sciences / Economics & Business
Feb 02, 2012 |
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A mighty revealing mouse
Ten years ago, when Prof. Neville Pillay first started investigating the semi-desert-dwelling African striped mouse or Rhabdomys in the Goegap Nature Reserve near Springbok, Northern Cape, he never anticipated ...
Feb 01, 2012 |
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Incoming college students more liberal on hot-button political, social issues, survey finds
(PhysOrg.com) -- First-year college students' political and social views shifted in a more liberal direction in 2011, according to the CIRP Freshman Survey, UCLA's annual survey of the nation's entering students at four-year ...
Other Sciences / Social Sciences
Jan 26, 2012 |
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Foot and ankle structure differs between sprinters and non-sprinters
The skeletal structure of the foot and ankle differs significantly between human sprinters and non-sprinters, according to Penn State researchers. Their findings not only help explain why some people are faster runners than ...
Jan 24, 2012 |
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Bonobos' unusual success story
Mate competition by males over females is common in many animal species. During mating season male testosterone levels rise, resulting in an increase in aggressive behavior and masculine features. Male bonobos, ...
Jan 23, 2012 |
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Monogamy reduces major social problems of polygamist cultures: study
In cultures that permit men to take multiple wives, the intra-sexual competition that occurs causes greater levels of crime, violence, poverty and gender inequality than in societies that institutionalize and practice monogamous ...
Other Sciences / Social Sciences
Jan 23, 2012 |
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List of search results for male competition
