Category Archives: Indo-European

Faster than Fisher

Posted on November 22, 2014 by gcochran9

There’s a simple model of the spread of an advantageous allele:  You take σ, the typical  distance people move in one generation, and s,  the selective advantage: the advantageous allele spreads as a nonlinear wave at speed  σ * √(2s).  … Continue reading →

Posted in Denisovans, Dietary adaptations, European Prehistory, Evolutionary Medicine, Genetics, Indo-European, Linguistics, Neanderthals, Skin color | Tagged | 77 Comments

Déjà Vu all over again: America and Europe

Posted on November 12, 2014 by gcochran9

In terms of social organization and technology, it seems to me that Mesolithic Europeans (around 10,000 years ago) were like archaic Amerindians before agriculture.  Many Amerindians on the west coast were still like that when Europeans arrived – foragers with … Continue reading →

Posted in Amerindians, European Prehistory, Indo-European | 102 Comments

Remix

Posted on November 8, 2014 by gcochran9

There is a new paper out in Science that analyzes the genome of a man (K14) that lived and died about 37,000 years ago, in Russia. They found that this individual came from a population that had shared ancestry with … Continue reading →

Posted in Amerindians, European Prehistory, Indo-European | Tagged | 69 Comments

Horsepower

Posted on November 4, 2014 by gcochran9

The Comanche used to raid into Mexico. In the fall, small groups joined up and rode south on a network of trails, called the Comanche Trace. Some came from as far away as the Arkansas River. In places, there was … Continue reading →

Posted in Amerindians, European Prehistory, Indo-European | Tagged | 105 Comments

The Inexorable Progress of Science: Archaeology

Posted on November 1, 2014 by gcochran9

In 1939, archeologists and prehistorians seem to have thought that agriculture was brought to Europe by a gracile Mediterranean people, and was in large part spread by their expansion.  They thought that the Corded Ware culture was Indo-European and probably … Continue reading →

Posted in European Prehistory, Indo-European, Linguistics | Tagged | 128 Comments

Centum and Satem

Posted on October 27, 2014 by gcochran9

I may well be wrong, but there’s no point in waiting until they dig up and sequence every last body in Eurasia. Time to stick my neck out. Here’s my current best guess concerning the Indo-European expansion: It all started … Continue reading →

Posted in Dietary adaptations, European Prehistory, Genetics, Indo-European, Linguistics | Tagged , , , | 100 Comments

Yamna and Corded Ware

Posted on October 26, 2014 by gcochran9

I hear some interesting things from the recent ASHG conference, mostly from Razib Khan. It seems that the dead have spoken again: it turns out that the genetic transition in northern Europe  coincides with the advent of the Corded Ware/Battleaxe … Continue reading →

Posted in European Prehistory, Genetics, Genghis -Khan effect, Indo-European | 45 Comments

Before Slavery

Posted on September 19, 2014 by gcochran9

We keep hearing more about European genetic prehistory, and the picture is coming together.  In one new paper,  we hear aDNA results from the Carpathian Basin. It’s clear that the LBK farmers are the same people as the earlier Starcevo … Continue reading →

Posted in European Prehistory, Indo-European | Tagged , , , | 87 Comments

Old Europe’s Remnants

Posted on July 3, 2014 by gcochran9

Although we know quite a bit about the artifacts, ways of making a living, and recently even the DNA of  Europe’s first farmers, we don’t know anything about their language or much about what they thought or believed in.  Old Europe was … Continue reading →

Posted in European Prehistory, Indo-European | 39 Comments

Kings of the Stone Age

Posted on June 26, 2014 by gcochran9

The Y-chromosome haplogroup R1b is extremely common in Western Europe ( > 70%). At the same time, it doesn’t appear to be very old. Which facts suggest two possibilities.  The first is that this particular Y-chromosome haplogroup confers some kind … Continue reading →

Posted in European Prehistory, Indo-European | 87 Comments