News tagged with sexual selection
Darwinian selection continues to influence human evolution
New evidence proves humans are continuing to evolve and that significant natural and sexual selection is still taking place in our species in the modern world.
Apr 30, 2012 |
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Battle of the sexes offers evolutionary insights
In a paper published May 3, in the journal Evolution, University of Cincinnati graduate student Karl Grieshop and Michal Polak, associate professor of biological sciences at UC, examine the role of genita ...
May 03, 2012 |
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Small But Mighty Female Lizards Control Genetic Destiny
(PhysOrg.com) -- "Be faithful in small things because it is in them that your strength lies." Mother Teresa's words echo throughout the world. They ring particularly true in the biological kingdom among brown ...
Apr 05, 2010 |
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Researcher compiles evidence in support of Darwin's theory of sexual selection
In 1871, Charles Darwin sparked debate that continues today when he proposed that human sex differences evolved based on sexual selection. Sexual selection is Darwin's theory that certain physical, mental or psychological ...
Apr 13, 2010 |
5 / 5 (7) |
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Color of robins' eggs determines parental care
A male robin will be more diligent in caring for its young if the eggs its mate lays are a brighter shade of blue.
May 14, 2012 |
5 / 5 (2) |
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Manipulative mothers subdue show-off sons
The gaudy plumage and acrobatic displays of birds of paradise are a striking example of sexual selection, Charles Darwin's second great theory of evolution. But new research shows that this powerful process may collapse when ...
Sep 12, 2011 |
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Sexy snacks: Study finds female mate searching evolves when mating gifts are important
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.
Sep 28, 2011 |
4.2 / 5 (5) |
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Polygamy hurt 19th century Mormon wives' evolutionary fitness
Polygamy practiced by some 19th century Mormon men had the curious effect of suppressing the overall offspring numbers of Mormon women in plural marriages, say scientists from Indiana University Bloomington ...
Feb 22, 2011 |
4.2 / 5 (13) |
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Sexual Encounters of the Third Kind: Darwin's Beetles Still Producing Surprises
(PhysOrg.com) -- On the eve of Charles Darwin’s 200th birthday, researchers at the University of New Mexico and University of Montana report a new twist in sexual selection theory - the realm of evolutionary ...
Biology /
Feb 06, 2009 |
4.9 / 5 (10) |
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The burly bird catches the girl
While the early bird might catch the worm, it's the quick bird that lands the ladies, according to new research into the running performance of an Arctic cousin of the grouse.
Aug 17, 2011 |
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Men are dying for sex: Mating competition explains excess male mortality
(PhysOrg.com) -- Men die at higher rates than women across the lifespan. A new study suggests that this excess mortality is the price of reproductive competition.
May 24, 2010 |
4 / 5 (20) |
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For peacocks, the eyespots don't lie
Male peacock tail plumage and courtship antics likely influence their success at attracting and mating with females, according to recent Queen's University research.
Apr 27, 2011 |
not rated yet |
3
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An honest face
(PhysOrg.com) -- Wider faced men are less trustworthy and our instincts know it, according to researchers at the University of St Andrews.
Medicine & Health / Psychology & Psychiatry
Mar 10, 2010 |
3.9 / 5 (8) |
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A happy life is a long one for orangutans
New research has shown that happier orang-utans live longer which may shed light on the evolution of happiness in humans.
Jun 29, 2011 |
5 / 5 (2) |
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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 |
3.6 / 5 (13) |
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