Hat tip to Luis, who pointed me towards a website by the name of Las Piedras, on which there are numerous images of stones recovered from fields in southern Spain – although there is no accompanying text, the word is that the author of the site collected a large number of pebbles whilst out field-walking. [...]
July 9, 2009
Climate Shaped the Worldwide Distribution of Human Mitochondrial DNA Sequence Variation – Balloux et al: Proceedings Royal Society B
This looks like a pretty interesting paper, postulating that mtDNA diversity is lower in populations residing in cooler climates – it’s free to access here, and in the meantime, here’s the abstract:
There is an ongoing discussion in the literature on whether human mitochondrial DNA (mtDNA) evolves neutrally. There have been previous claims for natural selection [...]
