Monthly Archives: March 2019

Early reading

There are a few small children, mostly girls, that learn to read very early. You read stories to them and before you know they’re reading by themselves. By very early, I men age 3 or 4. Does this happen in … Continue reading

Posted in Uncategorized | 81 Comments

Genetic Canalization

“Canalization is the reduced sensitivity of a phenotype to changes or perturbations in the underlying genetic and nongenetic factors that determine its expression. ” as long as environmental ( or genetic) perturbations aren’t too large, they have little effect. Makes … Continue reading

Posted in Uncategorized | 16 Comments

The Sweet Zone

You can think of the habitable zone as a region in a multidimensional parameter space on which members of a species do well enough to persist. Move them slowly towards the edge of the zone and they often adapt.  Move … Continue reading

Posted in Uncategorized | 31 Comments

Inexorable

Dr. Paige Harden said “No scientific finding leads inexorably to any particular social policy”.  Well, it would if we were Pak: they have built-in goals and are almost always smart enough to see the best path leading to those goals, … Continue reading

Posted in Uncategorized | 28 Comments

Shared environment

Seems to me that there’s an awful lot of overlap between the environmental factors in shared family environment and those that are supposed to explain group differences.

Posted in Uncategorized | 35 Comments

Take my wife, please !

There’s a new paper out in Science – ” The genomic history of the Iberian Peninsula over the past 8000 years” .  It discusses genetic change over time, from hunter-gatherer days, the arrival of the Anatolian-ancestry farmers, and the coming … Continue reading

Posted in Uncategorized | 159 Comments

selective immigration

Some cases involve stronger selection than I would have guessed.  Nigerian male immigrants to Great Britain, 1980-2010: low, medium, and high level of education:  ” We distinguish three levels of education: primary (low skilled: includes lower secondary, primary and no … Continue reading

Posted in Uncategorized | 55 Comments