Search

... Cocos island, constitute an iconic model for studies of speciation and adaptive evolution. A team of scientists from Uppsala University ...

Article - News Staff - Feb 13 2015 - 12:55am - 0 attachments

If someone in 2012 wants to criticize Henry Ford because he didn't know everything about automobiles a century ago, it's a little silly. He knew what he knew given the science and the technology of his day - he revolutionized his field.  Freud got a ...

Article - Hank Campbell - Feb 12 2015 - 12:37pm - 0 attachments

... but when it happened, it turned out to be a major push for speciation spawning the evolution of a disproportionate number of species in ...

Article - News Staff - Feb 1 2015 - 11:57pm - 0 attachments

... of analytical chemistry has been focused on the chemical speciation by developing analysis methods that allow us to distinguish the ... along with other studies developed in the field of arsenic speciation in marine algae and plants are part of the doctoral thesis of ...

Article - News Staff - Jan 26 2015 - 7:01pm - 0 attachments

... found that the rate by which new biological species arise (speciation) is significantly higher among páramo than non-páramo ferns. ...

Article - News Staff - Oct 23 2014 - 5:23pm - 0 attachments

... that can facilitate positive adaptations, lead to instant speciation, and increase biodiversity.  Just as the names Watson and ... One reason is that genome doubling can lead to instant speciation. As Soltis explains, "If two plants with 12 chromosomes ...

Article - News Staff - Sep 30 2014 - 9:59am - 0 attachments

... but a controversial hypothesis known as sympatric speciation, which occurs when a new species develops while sharing the same ... usually reduce gene flow and speciate but sympatric speciation hypothesizes that a new niche can reduce gene flow because ... of Rochester “While sympatric speciation is more difficult to prove,” said Christian Rabeling, assistant ...

Article - News Staff - Aug 21 2014 - 2:02pm - 0 attachments

Old World monkeys have undergone a remarkable evolution in facial appearance as a way of avoiding interbreeding with closely related and geographically proximate species, according to a new paper which provides best evidence to-date for the role of visu ...

Article - News Staff - Jun 26 2014 - 9:32pm - 0 attachments

... adds Williams. "Tricellular lineages had both reduced net speciation rates (speciation minus extinction) and reduced rates of reverting to the bicellular ...

Article - News Staff - May 2 2014 - 4:53pm - 0 attachments

... brown and polar bears. The obtained time estimate for the speciation event of brown and polar bears is ca. 0.4 to 1.1 million years ...

Article - News Staff - Mar 25 2014 - 8:59pm - 0 attachments