News tagged with sexual selection
Biologist Shows Female Birds of a Feather Compete Together
Dec 15, 2009 |
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(PhysOrg.com) -- With its flamboyantly decorated plumage, the peacock is a classic example of how males among many bird species are more visually eye-catching than their female partners. But new research, ...
Female birds -- acting just like the guys -- become sexual show-offs in cooperative breeding species
Dec 09, 2009 |
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(PhysOrg.com) -- Female birds in species that breed in groups can find themselves under pressure to sexually show off and evolve the same kinds of embellishments - like fanciful tail feathers or chest-puffing ...
Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
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Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
Search results for sexual selection
New tool in the fight against mosquito-borne disease: A microbial 'mosquito net'
Dec 24, 2009 |
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Earlier this year, researchers showed that they could cut the lives of disease-carrying mosquitoes in half by infecting them with a bacterium they took from fruit flies. Now, a new report in the December 24th issue of Cell, ...
New materials designed to deal with hypersonic and supersonic hot stuff (w/ Video)
Dec 24, 2009 |
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University of Queensland researchers are testing new materials to withstand the extreme heat experienced by hypersonic vehicles in flight so they can fly for substantially longer.
Researchers reveal secrets of duck sex: It's all screwed up
Dec 23, 2009 |
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Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...
UNL research aims to understand homelessness among women
Other Sciences / Social Sciences
Dec 23, 2009 |
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(PhysOrg.com) -- Women make up nearly one-third of the homeless population in the United States. Yet little is known about how they become homeless or how they live. University of Nebraska-Lincoln sociologist Les Whitbeck ...
Social networking changing the way we travel
Dec 22, 2009 |
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(AP) -- Isahrai Azaria is heading to Austin, Texas, in February, and thanks to Facebook, she already has 40 acquaintances, an invitation to go water tubing, and a line on the best vegetarian lunch place in ...
White House picks new cyber coordinator
Dec 22, 2009 |
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(AP) -- The White House has tapped a corporate cyber security expert and former Bush administration official to lead the effort to shore up the country's computer networks and better coordinate with companies that operate ...
Relatives of boys with sexual birth defects not at risk for testicular germ cell cancer
Dec 21, 2009 |
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Boys with the sexual birth defects known as hypospadias and cryptorchidism are at risk for developing testicular germ cell cancer, but their relatives are not, according to a new study published online December 21 in the ...
Gefitinib improves survival compared with standard chemotherapy in lung cancer patients with genetic mutation
Dec 20, 2009 |
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Patients with the most common form of lung cancer (non-small-cell lung cancer) who have mutations in the epidermal growth factor receptor (EGFR) gene have significantly improved progression-free survival if they are treated ...
Video game watchdog shuts down, victim of economy
Dec 18, 2009 |
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(AP) -- David Walsh said when he was assembling his first report card on video game violence 13 years ago, children were attacking on-screen monsters or aliens with imaginary chain saws and guns.
New study explores role of sexual, social behaviors in seniors' well-being
Medicine & Health / Psychology & Psychiatry
Dec 18, 2009 |
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Researchers and the general public have a new resource for information on the health and intimate relationships of older people, thanks to a new supplemental issue of The Journals of Gerontology Series B: Psychological an ...
List of search results for sexual selection
