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Through phylogenetic reconstruction this work analyzes the diversification of lanceolate points of the South Central Andes which began in the early Holocene and spanned the entire mid- Holocene. Based on a regional-scale...

Twenty-five years after its last major reform, the World Bank is embarking on a wide review of its mission, operational procedures and financial mechanisms. However, the current proposal runs the risk of failing to deliv...

Despite having >1200 described species and despite their nearly worldwide distribution and prevalence in many xeric ecosystems, relative to many other arachnid groups, we know little about the natural history and behavio...