Results 311 to 320 of about 2,257,902 (405)

Cs4Ca[Si8O19]: a new mixed tetrahedral–octahedral oxosilicate, its topological features and comparison with other interrupted framework silicates

open access: yesActa Crystallographica Section B, EarlyView.
The crystal structure of the mixed tetrahedral–octahedral framework silicate Cs4Ca[Si8O19] has been solved. A topological analysis of the present compound and other interrupted framework silicates is presented.Single crystals of a previously unknown caesium calcium silicate with the composition Ca4Ca[Si8O19] have been obtained during a systematic study
Volker Kahlenberg
wiley   +1 more source

Selling the future state: making property for Sahrawi sovereignty in Western Sahara

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Abstract Sahrawi refugees and the Sahrawi state‐in‐exile have sought to assert their claims to Western Sahara, Africa's last colony, while exiled in refugee camps in Algeria. Through an examination of the Sahrawi state's use of deferred natural resource contracts, this article explores Sahrawi political action prior to – and in anticipation of – the ...
Randi Irwin
wiley   +1 more source

The artisanal underground: gold, subsistence, and subsurface materiality in Colombia

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Abstract This article focuses on subsurface materiality to explore how small‐scale gold miners in Colombia navigate formal politics. In much critical research, the underground appears as a space of great developmentalist ambition, whose resources enable corporate expansion and bureaucratic rule.
Jesse Jonkman
wiley   +1 more source

Group mating in Cretaceous water striders. [PDF]

open access: yesProc Biol Sci
Fu Y   +5 more
europepmc   +1 more source

Mining and/in outer space: Verticality, analogy, and infrastructural mediation in subarctic Sweden Les mines et/dans l'espace : verticalité, analogie et médiation infrastructurelle dans les régions subarctiques de Suède

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Space activities in subarctic Sweden are predicated on older infrastructures of underground resource extraction. The ongoing expansion of the country's rocket launch site outside Kiruna relies on the Swedish state's historical construction of the region as a resource frontier.
Chakad Ojani
wiley   +1 more source

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