News articles tagged with 'selection'
Polygamy hurt 19th century Mormon wives' evolutionary fitness
— 22 Feb 2011 23:27 | HealthPolygamy practised 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…
Evolution by mistake
— 26 Jan 2011 19:10 | BiologyCharles Darwin based his groundbreaking theory of natural selection on the realisation that genetic variation among organisms is the key to evolution…
How much sex is enough?
— 20 Jan 2011 16:07 | BiologySociety has long debated the contrasting advantages of monogamy and promiscuity and, in western society at least, the long term benefits of monogamy have in general won out. However…
Boy or girl? Australians think we shouldn't choose
— 3 Jan 2011 16:41 | HealthMost Australians do not approve of IVF or abortion for sex-selection purposes, and most do not think a hypothetical blue or pink pill to select the sex of a child should be legal, a…
Darwin's theory of gradual evolution not supported by geological history
— 10 Nov 2010 15:10 | Geology and palaeontologyCharles Darwin's theory of gradual evolution is not supported by geological history, New York University Geologist Michael Rampino concludes in an essay in the journal Historical Biology.…
Analysis of Ashkenazi Jewish genomes reveals diversity, history
— 26 Aug 2010 19:04 | HealthThrough genomic analysis, researchers at Emory University School of Medicine have shown that the Ashkenazi Jewish population is genetically more diverse than people of European descent,…
Scientists say natural selection alone can explain eusociality
— 26 Aug 2010 09:40 | BiologyScientists at Harvard University have sketched a new map of the 'evolutionary labyrinth' species must traverse to reach eusociality, the rare but spectacularly successful social structure…
Going to the dogs: What can shy dogs teach us about longevity?
— 14 May 2010 13:06 | BiologyAccording to a new study by a Quebec research team, there are strong correlations between dog breeds' typical personalities, how long they live, and how much food they eat…
Researchers use entire islands in the Bahamas to test survival of the fittest
— 11 May 2010 05:51 | BiologyBy using entire islands as experimental laboratories, two Dartmouth biologists have performed one of the largest manipulations of natural selection ever conducted in a wild animal population.…
'Survival of the cutest' proves Darwin right
— 20 Jan 2010 16:24 | BiologyDomestic dogs have followed their own evolutionary path, twisting Darwin's directive 'survival of the fittest' to their own needs - and have proved him right in the process, according…