Turning Marx on His Head? North Korean <i>Juche</i> as Developmental Nationalism

Turning nutrition on its head--Noakes gets his day.

The Concept of Labor : Marx and His Critics SEAN

Marx conceives of labor as form-giving activity. This is criticized for presupposing a “productivist” model of labor which regards work that creates a material product — craft or industrial work — as the paradigm for all work (Habermas, Benton, Arendt). Many traditional kinds of work do not seem to fit this picture, and new “immaterial” forms of labor (computer work, service work, etc.) have de...

Turning visual search time on its head

Our everyday visual experience frequently involves searching for objects in clutter. Why are some searches easy and others hard? It is generally believed that the time taken to find a target increases as it becomes similar to its surrounding distractors. Here, I show that while this is qualitatively true, the exact relationship is in fact not linear. In a simple search experiment, when subjects...

Optogenetics: Turning the Microscope on Its Head.

Look outside your window. You will likely see green plants, perhaps some yellow, pink, or white flowers, maybe a bird with blue, brown, or red in its feathers and eyes. The world is full of living color, and life has evolved a dizzying variety of chromophores for signaling and photoreceptors for sensing the dynamically changing photic environment. Scientists are now identifying these chromophor...

Turning cell cycle entry on its head

New data on the relationship between two proteins, cyclin D and Rb, suggest that we need to re-evaluate our understanding of how cells enter into the cell cycle.