Two new caddisfly species Archaeopolycentra turvalsia sp. n. and achupomotet (Polycentropodidae) from Late Cretaceous Taymyr amber (Santonian, Kheta Formation, 85 Ma) are described illustrated. Totally, now the list of caddisflies includes 13 species, family Polycentropodidae is represented by five species.

● Global reserves of coal, oil and natural gas are diminishing; global energy requirements however are dramatically increasing. Renewable energy sources lower the threat to the earth’s climate but are not able to meet the energy consumption in major urban areas. The opinion of many experts is that the future will be dominated by hydrogen. However, this gas is essentially totally manufactured fr...

the aim of this paper is to analyze the impact of modern political marketing tools on national cohesion. in this study, researchers sought to study the concept of these variables in case of recognizing the relationship between them. this study has been in done in 6th region of tehran. for collecting data, a survey method has been used which its construct and content reliabilities were tested. i...

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J-1 Scholars and Professors This section provides the following detailed information for professors, researchers, short-term scholars, and specialists with J-1 visa status. Important Information about J-1 Exchange Visitor Status [1] ● Change of Status [2] ● Change of Status to J-1 [3] ❍ Change of Status to J-2 Dependent [4] ❍ Employment: Occasional Lectures and Consultations [5] ● Two-Year Fore...