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A study of bird remains from the Koziarnia Cave (Poland) revealed the presence of nearly a dozen bony shreds (snags) projecting from the natural canals in bones; the snags were made of a material that accumulated during the Late Pleistocene. This paper describes this phenomenon and determines the most probable agent responsible for its occurrence by utilizing observations of snag microstructure, taphonomic analysis of bird assemblages from Koziarnia Cave, and surveys of collected bird remains (modern and fossilized). The presence of snag may be a good qualitative indicator of an agent responsible for the accumulation of bird bones at archeological sites and could be useful in future taphonomic studies.

Quantum computing technologies pose a significant threat to the currently employed public-key cryptography protocols. In this paper, we discuss the impact of the quantum threat on public key infrastructures (PKIs), which are used as a part of security systems for protecting production environments. We analyze security issues of existing models with a focus on requirements for a fast transition to post-quantum solutions. Although our primary focus is on the attacks with quantum computing, we also discuss some security issues that are not directly related to the used cryptographic algorithms but are essential for the overall security of the PKI. We attempt to provide a set of security recommendations regarding the PKI from the viewpoints of attacks with quantum computers., Comment: 24 pages, 1 figure

A wide variety of enzymatic pathways that produce specialized metabolites in bacteria, fungi and plants are known to be encoded in biosynthetic gene clusters. Information about these clusters, pathways and metabolites is currently dispersed throughout the literature, making it difficult to exploit. To facilitate consistent and systematic deposition and retrieval of data on biosynthetic gene clusters, we propose the Minimum Information about a Biosynthetic Gene cluster (MIBiG) data standard.

This article discusses the main issues of artificial intelligence and its implementation in daily life in the form of control systems for mechatronic systems. Due to intensive application of the latest scientific and technological achievements and a new element base, there spring up new technologies of artificial intelligence creation principles and laws realization, examples of which given in the article., В данной статье рассматриваются основные вопросы об искусственном интеллекте и его внедрении в повседневную жизнь человека в виде систем управления мехатронных систем. Из-за интенсивного введения последних достижений научно-технического прогресса, новой элементной базы возникают новые технологии реализации принципов и законов создания искусственного интеллекта, примеры использования которых приводятся в статье., У даній статті розглядаються основні питання про штучний інтелект і його впровадження у повсякденне життя людини у вигляді систем управління мехатронних систем. З-за інтенсивного введення останніх досягнень науково-технічного прогресу, нової елементної бази виникають нові технології реалізації принципів і законів створення штучного інтелекту, приклади використання яких приводяться у статті.

cited By 18. QC 20180904

Uchenyye zapiski v49 p69-77 1961.

Uchenyye zapiaki v49 p78-85 1961.

Kishinev Universitet Uchenyye zapiski v49 p101-104 196.

Trans. of mono. Poluprovodnikovye Soedineniya i ikh Tverdye Rastvory, n.d., 1970 p68-72.