February 5, 2008

mtDNA variation tells us of Southern Asia’s massive population growth 50,000 years ago

In 2006, we read an article from Eric Bazin et al., who argued that using mtDNA variation to indicate population size, is a flawed methodology. The work from his team was seemingly exhaustive, it involved sampling a collection of polymorphism data sets covering around 3,000 species to tackle one of the most basic postulates in [...]

February 5, 2008

The Indo-European Language Tree

To supplement last week’s discussion on language evolution, I stumbled upon an Indo-European language tree posted on Jonathan Beaton’s blog. Neither Jonathan nor I know where it was published, nor what data was used to construct the tree and its relationships. So it may not be completely accurate… but it is a nifty illustration.
Just cause [...]