Is it all processing all the way down?*

Models all the way down

When I entered graduate school in 1984, there was scant serious work in history or philosophy of the modern earth sciences. Excellent scholars had written on Darwin, Lyell and nineteenth century geology, and some of that work heeded earth science qua earth science, but much of it attended to geology only as something that helped to lay the groundwork for an advance in biology: Darwin’s theory o...

Foreword: Federalism All the Way Down

Williams Syndrome : Fractionations All the Way down ?

that discrete cognitive components or functional circuits underlie different high-level abilities such as language, face recognition, visuo-spatial skills, and perhaps even social cognition. The case is based mainly on the selective loss of these abilities after certain sorts of brain damage. What is the developmental origin of such components? Imagine a scenario where a gene or set of genes wa...

Dark matter cores all the way down

We use high-resolution simulations of isolated dwarf galaxies to study the physics of dark matter cusp-core transformations at the edge of galaxy formation: M200 = 107–109 M . We work at a resolution (∼4 pcminimumcell size;∼250M per particle) atwhich the impact from individual supernovae explosions can be resolved, becoming insensitive to even large changes in our numerical ‘sub-grid’ parameter...

Williams syndrome: Fractionations all the way down?