AIMS The emergence of second generation (2G) biofuels is widely seen as a sustainable response to the increasing controversy surrounding the first generation (1G). Yet, sustainability credentials of 2G biofuels are also being questioned. Drawing on work in Science and Technology Studies, we argue that controversies help focus attention on key, often value-related questions that need to be posed...

Were the ancients Greeks “racists” in the modern sense of the term “racist”? The terms ancient Greek “proto-racism”, tribalism (and/or racism) are used here to denote the abstract, narcissistic notion that not only the non-Greek barbarians, but also certain ancient Greek tribes (like the Macedonians, the Boeoteans etc.) should be excluded from the Hellenic community, for they were considered to...

The AGL equation includes all multiple pomeron exchanges in the double logarithmic approximation (DLA) limit, leading to an unitarized gluon distribution in the small x regime. This equation was originally obtained using the Glauber-Mueller approach. We demonstrate in this contribution that the AGL equation can also be obtained from the dipole picture. Our conclusion is that the AGL equation is...

Eighty children (kindergarten through 4th grade) performed discrimination and identification tasks for tachistoscopically-presented letter pairs. Letter pairs manipulated font (Times New Roman, Arial), point size (12and 18-point) and letter-pair discrimination difficulty (easy, medium, and hard). Higher percent correct scores occurred for the Arial font and 18-pt size, and performance was bette...

Consider the following model: we have N parallel sticks of integer length, and at integer moments exactly one stick grows by 1, with the probability of k-th stick growing proportional to a fixed power 1'1of its length, properly normalized. Equivalently, we consider sequences of points of the first quadrant of Rn such that on each step exactly one of the coordinates of the point gets incremented...