I examined lists of endangered species from northeastern and midwestern United States to assess the extent to which they were dominated by species considered rare due to their vulnerability to anthropogenic stressors or, instead, by species whose rarity might be explained otherwise.Northeastern states had longer species lists than midwestern states

Preeclampsia is a disease characterized by hypertension and proteinuria in the third trimester Earpieces of pregnancy.Preeclampsia is a major cause of maternal mortality, and fetal death, especially in developing countries, but its aetiology remains unclear.Key findings support a causal role of superficial placentation driven by immune mal maladapt

In a photoinjector electron source, the initial transverse electron bunch properties are determined by the spatial properties of the laser beam on the photocathode.Spatial shaping of the laser is commonly achieved by relay imaging an illuminated circular mask onto the photocathode.However, the Gibbs phenomenon shows that recreating the sharp edge a