News tagged with sexual selection theory
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 |
5 / 5 (2) |
0
|
For fish, bigger doesn’t always mean healthier
(PhysOrg.com) -- Female smallmouth bass tend to prefer bigger male mates, but bigger doesn’t necessarily mean healthier. That’s the finding of a new study in the latest issue of Physiological and Biochemical Zoology that i ...
Nov 17, 2009 |
not rated yet |
0
Evolution of human sex roles more complex than described by universal theory
A new study challenges long-standing expectations that men are promiscuous and women tend to be more particular when it comes to choosing a mate. The research, published by Cell Press in the April issue of the journal Trends in ...
Apr 24, 2009 |
3.6 / 5 (9) |
6
Search results for sexual selection theory
Sex: it's a good thing, evolutionarily speaking
(Phys.org) -- Sure, sex may be fun, but it’s a lot of work, and the payoff is by no means certain. Scientists have speculated for a long time on why all living things don’t simply make like amoebas ...
May 30, 2012 |
4 / 5 (4) |
3
|
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) |
0
Evolution revolution
Developments in evolutionary biology have a significant impact on the way we look at the world and ourselves in it, according to a conservation scientist who will be speaking on the subject at Cambridge University’s ...
Mar 26, 2012 |
4 / 5 (1) |
0
Skeletons point to Columbus voyage for syphilis origins
Skeletons don't lie. But sometimes they may mislead, as in the case of bones that reputedly showed evidence of syphilis in Europe and other parts of the Old World before Christopher Columbus made his historic voyage in 1492.
Other Sciences / Archaeology & Fossils
Dec 20, 2011 |
4.7 / 5 (14) |
9
|
University of Toronto Mississauga professor wins Ig Nobel Prize for beer, sex research
It was a case of a besotted male and beer. Love-sick and lonely, the male girded his loins and took immediate action to relieve his unhappiness – but with a surprising outcome, as a U of T Mississauga ...
Sep 30, 2011 |
not rated yet |
1
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) |
4
|
Do we buy cosmetics because they are useful or because they make us feel good?
A study by the University of the Basque Country (UPV/EHU) shows that people who use cosmetics buy these products primarily for emotional reasons. The study was carried out on facial creams (hydrating and nutritive ...
Other Sciences / Social Sciences
Jul 21, 2011 |
5 / 5 (1) |
2
On Darwin and gender
In 1864, German naturalist Ernst Haeckel wrote to naturalist Charles Darwin, promising to send some marine shells that displayed “a detailed representation of the Rhizopod organism.” But for the ...
Jul 08, 2011 |
2 / 5 (3) |
0
Sexual reproduction works thanks to ever-evolving host, parasite relationships: study
(PhysOrg.com) -- It seems we may have parasites to thank for the existence of sex as we know it. Indiana University biologists have found that, although sexual reproduction between two individuals is costly ...
Jul 07, 2011 |
4.8 / 5 (8) |
3
|
Researcher argues that sex reduces genetic variation
Biology textbooks maintain that the main function of sex is to promote genetic diversity. But Henry Heng, Ph.D., associate professor in WSU's Center for Molecular Medicine and Genetics, says that's not the case.
Jul 07, 2011 |
5 / 5 (4) |
14
List of search results for sexual selection theory
