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Base on the sequence of S genes, which encode spike proteins, we previously identified three different types (North American, S INDEL, and S large-DEL types) of porcine epidemic diarrhea virus (PEDV) that have re-emerged in Japan since 2013. Based on…

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Background: The Coronavirus disease (COVID-19) pandemic is causing millions of infections and hundreds of thousands of deaths worldwide. Cumulative clinical and laboratory evidence suggest that a subset of patients with severe COVID-19 may develop a…

The authors focus their attention on the current regime of self-isolation, which arose in the context of the spread of a new coronavirus infection. Currently, the Russian population is forced to change their social behavior adapting to the conditions…

The Russia-Saudi oil price war that devastated energy markets in March alsoilluminated the Kremlin’s thinking. It revealed Russia’s fears and just how farit’s prepared to go to prevent them from becoming reality, even at the cost ofwrecking promising…

The Arctic continental shelf is believed to be the area with the highest unexplored potential for oil and gas as well as for unconventional hydrocarbon resources such as gas hydrates. Despite a common view that the Arctic has plentiful of hydrocarbon…

Vladimir Putin has announced that Russia has approved a coronavirus vaccine, but is it safe, asks Michael Marshall.

A Lutzomyia intermedia há muito vem sendo encontrada em áreas de colonização antiga. Analisando dados de capturas deste flebotomíneo, com diferentes iscas e em diferentes locais, acredita-se que esta espécie está pré-adaptada a ambientes abertos e a…

This work was intended to understand the rural youth as a protagonist, and how this protagonism may point out paths or incidences for development, which we will address here on 'local development.' The study concerns a concrete situation, a reality,…

Over the past decades land reform policies have made great advances, however the reality of rural settlements in Brazil are disparate and inconclusive, since the criteria that permeate differ and are difficult to understand. Understanding and…