In a context of increasing globalization and neoliberal restructuring and with labor's power diminishing vis-à-vis employers, American workers have turned in recent years to community-based campaigns targeting local government. These mobilizations have received considerable attention from...

There are encouraging advances in prosthetic vision for the blind, including retinal and cortical implants, and other ?sensory substitution devices? that use tactile or electrical stimulation. However, they all have low resolution, limited visual field, and can display only few gray levels...

Background: Vitamin D deficiency during pregnancy has been associated with increased risk of complications and adverse perinatal outcomes. We evaluated seasonal variation of 25-hydroxyvitamin D [25(OH)D] among pregnant women, focusing on patterns and determinants of variation. Methods: Data came...

In the latter years of Barack Obama?s presidency, the effort to mobilize public opinion and grassroots activism on climate change has led to a broader shift in environmental politics, as environmental organizations and their allies devote ever greater resources to shaping the outcome of...

Based on models with calibrated parameters for infection, case fatality rates, and vaccine efficacy, basic childhood vaccinations have been estimated to be highly cost effective. We estimate the association of vaccination with mortality directly from survey data. Using 149 cross-sectional...