News tagged with sexual selection
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) |
4
|
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 |
4.8 / 5 (4) |
1
|
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) |
1
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 |
not rated yet |
3
|
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 |
4.3 / 5 (22) |
98
|
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
|
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
|
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 |
not rated yet |
0
|
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) |
3
|
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
|
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) |
33
|
Pride, prejudice and the 'Darcin effect'
The pheromone that attracts female mice to the odour of a particular male has been identified. Named 'darcin' by researchers writing in the open access journal BMC Biology (after Darcy, the attractive hero in Jane Austen ...
Jun 02, 2010 |
5 / 5 (1) |
0
|
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) |
43
|
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) |
19
|
Biologists' work with 'glow-in-the-dark' sperm sheds light on sexual selection
Previously unobservable events occurring between insemination and fertilization are the subject of a groundbreaking new article in Science magazine (March 18) by Mollie Manier, John Belote and Scott Pitnic ...
Mar 18, 2010 |
5 / 5 (5) |
0
|
