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 |
4.3 / 5 (22) |
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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) |
43
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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) |
1
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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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
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Allure of avatar to unlock secrets of sex
(PhysOrg.com) -- There's more to what makes a man or woman attractive than mere shape or weight, but what else do we take into account when we make that judgement?
Medicine & Health / Psychology & Psychiatry
May 14, 2010 |
3.8 / 5 (9) |
2
Studies suggest males have more personality
(PhysOrg.com) -- Males have more pronounced personalities than females across a range of species - from humans to house sparrows - according to new research. Consistent personality traits, such as aggression ...
Nov 18, 2009 |
3.7 / 5 (9) |
3
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
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) |
0
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Why do we choose our mates? Ask Charles Darwin, prof says
Charles Darwin wrote about it 150 years ago: animals don't pick their mates by pure chance - it's a process that is deliberate and involves numerous factors. After decades of examining his work, experts agree that he pretty ...
Jun 16, 2009 |
3.1 / 5 (9) |
5
Why do animals, especially males, have so many different colors?
(PhysOrg.com) -- In new research, UCLA scientists claim that "secondary sexual traits" like coloring may let animals know which species to avoid fighting.
Oct 31, 2009 |
4 / 5 (7) |
2
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
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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) |
4
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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 |
4.8 / 5 (4) |
1
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