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... about whether geographic separation is necessary for speciation to occur. In particular, it had been contentious whether selection ... organisms such as birds, the consensus is that sympatric speciation is extremely rare, mainly because it is difficult to envisage how ...

Article - News Staff - Dec 3 2009 - 4:57pm - 0 attachments

    It’s all true! He was right! He was totally, hopelessly wrong about selfish genes, but he was right about memes. Well…he was a little bit right. He was wrong to equate the evolution of memes to the evolution of organisms, meme evolution ...

Article - Steve Davis - Dec 9 2009 - 2:43am - 0 attachments

... evolutionary theory. The findings reject allopatric speciation in a case study from a system thought to exemplify it, the researchers say, and suggest the potential importance of speciation due to differences in ecological conditions (ecological speciation). ...

Article - News Staff - Apr 29 2010 - 6:17pm - 0 attachments

I haven't contributed a single thing to the platypus genome project, but since my desk sits one floor above where people and robots broke the platypus DNA into chunks, cloned those chunks into bacteria, sequenced the pieces of DNA, and used massive ...

Article - Michael White - May 12 2008 - 1:02am - 2 attachments

... often found within species, could be the raw material for speciation. Previous research has shown that competition among male ... consistent with the theory that morphs can be involved in speciation. Evolutionary theory predicts that new species could arise from ...

Article - News Staff - Feb 18 2010 - 1:46pm - 0 attachments

Photosynthesizing sea slugs take 'you are what you eat' to an extreme: by eating photosynthesizing algae, these "solar-powered" sea slugs are able to live off photosynthesis for months. How does this work? Is this just a straightforward case of symbiosis ...

Article - Michael White - Jan 27 2010 - 12:59pm - 0 attachments

... a unique glimpse into the earliest stage of ecological speciation, where natural selection to fit the environment causes the same ... Butterfly Reveals the Missing Link in Ecological Speciation', Science, 2009, Vol. 326. no. 5954, pp. 847 - 850 DOI: ...

Article - News Staff - Nov 5 2009 - 7:56pm - 0 attachments

Africa is being torn apart. And as Ethiopia's rift valley grows slowly wider, an international team of scientists is taking a unique opportunity to plot the progress of continents on the move. The 28-strong team is led by University of Leeds geophys ...

Article - Administrator - Feb 9 2007 - 11:11am - 0 attachments

In this article I am going to suggest that this arbitrary separation is meaningless.  Much like physics had to come to terms with wave-particle duality, biology must consider the same perspective where the answer depends very much on the question and ...

Article - Gerhard Adam - Oct 31 2009 - 5:03pm - 0 attachments

"Speciation is one of the most fascinating, unsolved problems in biology," says ... alike. The “mystery of mysteries” phrase related to speciation is often attributed to Charles Darwin but was used in a February 20, ... and genetic approaches to tackle important problems like speciation and infectious disease. Grants from the National Institutes of ...

Article - News Staff - Oct 26 2009 - 1:22pm - 0 attachments