Riot grrrls and shredder bros: punk ethics, social justice and (un)popular popular music at School of Rock

This article presents a case study of riot grrrl music in a School of Rock franchise in the Midwestern United States. It presents the school as a place in which gender is bound up in specific notions of what it is to play rock music, notions that directly inform what constitutes popular popular music within this context. The article examines the Riot Grrrl project using frame analysis, presenting and discussing three frames through which riot grrrl was taught: as music, punk ethics and social justice. It examines a case of frame conflict as played out in a disagreement between the programme’s two male instructors. It suggests that multi-frame approaches to popular music teaching, including clashes that may arise from conflicting frames, are effective in disrupting the musical-cultural status quo and in creating spaces in which students may productively and empathetically encounter the unpopular popular music of marginalized musical ‘Others’

When discomfort enters our skin: Five feminists in conversation

International audienc

The mechanisms of color production in black skin versus red skin on the heads of New World vultures

A determination of how the color of animal integument is produced is a starting point for investigations into the function and evolution of coloration. The mechanisms that give rise to the color of bare skin of New World vultures are largely unexplored. Here, we investigate the source of color production in the bare skin of Turkey Vultures (Cathartes aura) and Black Vultures (Coragyps atratus). Using UV–vis reflectance spectroscopy, we found evidence that hemoglobin is the primary pigment responsible for the red coloration of the bare skin on the heads of Turkey Vultures, and that eumelanin is responsible for the black coloration of the bare skin on the heads of Black Vultures. Light microscopy of incisional skin samples further supported these mechanisms of color production by revealing the presence of numerous blood vessels near the surface of the Turkey Vulture skin, and a high concentration of melanosomes in the skin of Black Vultures. Using high performance liquid chromatography (HPLC), we detected carotenoids within the skin of both species with significantly higher total concentrations of carotenoids in the skin of Turkey Vultures compared to the skin of Black Vultures. The carotenoids detected were dietary carotenoids that typically produce yellow coloration when accumulated in integument and were present in low concentrations. We hypothesize that the dietary carotenoids present do not contribute to the color of the skin, but rather help to compensate for the lack of melanosomes found in Turkey Vulture skin. The presence of additional carotenoids may act as an antioxidant to minimize UV damage when the bare Turkey Vulture head skin is exposed to direct sunlight for prolonged periods of time when soaring and scavenging for food