Genetic behavioural changes is a fascinating topic and the more studies that come out on it, the faster it seems to be able to act to have an effect
Just look at how quickly agriculture changes human societies living in the right conditions to practice it.
We are talking thousands of years, not even tens of thousands of years, or hundreds of thousands.
Given any factor that is core to survival, there seems to be a genetic impact much more quickly than previously thought. It does have its limits of course, we are not talking something with a measurable effect over 3 or 4 generations, but 30-40 generations seems to be possible in some cases.
Maybe the village fire keeper was a lot more reproductively popular that we previously thought.
Genetic behavioural changes is a fascinating topic and the more studies that come out on it, the faster it seems to be able to act to have an effect
Just look at how quickly agriculture changes human societies living in the right conditions to practice it.
We are talking thousands of years, not even tens of thousands of years, or hundreds of thousands.
Given any factor that is core to survival, there seems to be a genetic impact much more quickly than previously thought. It does have its limits of course, we are not talking something with a measurable effect over 3 or 4 generations, but 30-40 generations seems to be possible in some cases.
Maybe the village fire keeper was a lot more reproductively popular that we previously thought.