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I find myself fascinated how similar people, with similar values, can feel so differently about social engineering.  This comes out in political discourse, and certainly is a hot topic today, with those more in favor of socialism, which I’ll refe ...

Blog Post - James Hawkins - Sep 9 2024 - 1:33pm - 0 attachments

... pools, at some point, even with mere random genetic drift, speciation occurs, i.e. you cannot mix them up anymore, because genes that did ... for rapid adaptation), to the other extreme, namely usual speciation (long ago separated gene pools). In between, if the gene pools are ...

Blog Post - Sascha Vongehr - Sep 13 2017 - 9:45pm - 0 attachments

... the principle of monophyly and natural selection in speciation.” This connection first emerged when British naturalist ...

Article - News Staff - Dec 1 2016 - 7:58pm - 0 attachments

... ancestors of the birds," says Rauhut. This huge burst of speciation was probably made possible by the preceding extinction of a large ...

Article - News Staff - Sep 1 2016 - 3:27pm - 0 attachments

... new study published today summarises the causes of manmade speciation, and discusses why newly evolved species cannot simply replace ... Although it is not possible to quantify exactly how many speciation events have been caused through human activities, the impact is ...

Article - News Staff - Jul 2 2016 - 7:22am - 0 attachments

... occurs instead at the molecular level. Molecular speciation Looking at the molecular 'speciation' process in more detail allowed the researchers to identify specific ...

Article - News Staff - Jan 4 2016 - 12:06pm - 0 attachments

... We think this environmental forcing had a big impact on speciation and diversification of these fish," Scholz says. ...

Article - News Staff - Dec 9 2015 - 9:11pm - 0 attachments

... to split into separate lineages during the process of speciation," Hans Ellegren says. This is because evolution moved quickly, ...

Article - News Staff - Aug 20 2015 - 7:00am - 0 attachments

... greater seasonal stability, more complex food webs, faster speciation rates and lower extinction rates in the tropics relative to higher ... so quickly up and down the coast, they could rule out speciation rates as a factor affecting their pattern of distribution. "So, ...

Article - News Staff - Aug 2 2015 - 8:30am - 0 attachments

... of random genetic events and geographic isolation in speciation, taking about 2 million years on average for a new species to emerge onto the scene. "This finding shows that speciation is more clock-like than people have thought," said Hedges. "Taken ...

Article - News Staff - Mar 8 2015 - 1:12pm - 0 attachments