2 posts · 2,174 views
A fossilized brain has been found, which is an extremely rare event. It is the brain of an inopterygian fish that is 300 million year old. What can be deprehended from it?
... Read more »
Pradel A, & et al. (2009) Skull and brain of a 300-million-year-old chimaeroid fish revealed by synchrotron holotomography. Proceedings of the National Academy of Sciences USA. DOI: 10.1073/pnas.0807047106
Most comparative genetic studies in the primate lineage – specially the clade that includes humans, chimpanzees and macaques – have concentrated on the identification of genes that underwent significant changes in terms of sequence or in terms of the rate of nucleotide changes. The recent fuzz are the genes microcephalin and ASPM, which seem to regulate brain sizes, whose evolution seem to have been driven by strong positive selection. Microarray studies of those genes demonstrated t........ Read more »
Do you write about peer-reviewed research in your blog? Use ResearchBlogging.org to make it easy for your readers — and others from around the world — to find your serious posts about academic research.
If you don't have a blog, you can still use our site to learn about fascinating developments in cutting-edge research from around the world.
Research Blogging is powered by SMG Technology.
To learn more, visit seedmediagroup.com.