Study: Self-delusion may be a winning survival strategy
Harbouring a mistakenly inflated belief that we can easily meet challenges or win conflicts is actually good for us, a new study suggests.
Social Sciences
Sep 14, 2011
18
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Page 10 - News tagged with evolutionary selection
When plants go polyploid
(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.
Plants & Animals
Sep 13, 2011
8
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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 ...
Evolution
Sep 12, 2011
0
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Genetic evidence clears Ben Franklin (w/ Video)
The DNA evidence is in, and Ben Franklin didn't do it. Genetic tests on more than 1,000 Chinese tallow trees from the United States and China show the famed U.S. statesman did not import the tallow trees that are overrunning ...
Ecology
Jul 29, 2011
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Study: Generosity emerges from evolution of cooperation
(PhysOrg.com) -- Imagine you're dining at a restaurant in a city you're visiting for the first –– and, most likely the last –– time. Chances are slim to none that you'll ever see your server again, so ...
Social Sciences
Jul 25, 2011
2
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E. coli offers insight to evolution
(PhysOrg.com) -- Evolutionary biologist Richard Lenski occasionally thinks of his 12 original flasks of E. coli as the experiment that keeps on giving.
Evolution
Jun 20, 2011
1
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Evolutionary reasons for believing in luck
How far will you go to avoid bad luck? Do you avoid walking under ladders, carry lucky charms, or perhaps instead perform special rituals before important meetings or sporting events?
Evolution
Jun 7, 2011
9
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Traits, genes associated with establishment of new populations revealed in butterfly study
(PhysOrg.com) -- A team of scientists has discovered that descendants of "exploratory" butterflies that colonized new habitats differ genetically from their more cautious cousins. The team, led by James Marden, a professor ...
Plants & Animals
Mar 25, 2011
0
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Evolution drives many plants and animals to be bigger, faster
For the vast majority of plants and animals, the 'bigger is better' view of evolution may not be far off the mark, says a new broad-scale study of natural selection. Organisms with bigger bodies or faster growth rates tend ...
Evolution
Mar 7, 2011
8
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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 and three other ...
Evolution
Feb 22, 2011
33
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