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General Idea: Naturally produced droplets from humans (such as those produced by breathing, talking, sneezing, and coughing) include several types of cells (e.g., epithelial cells and cells of the immune system), physiological electrolytes contained…

Objectives: Health threat from COVID-19 airborne infection has become a public emergency of international concern. During the ongoing coronavirus pandemic, people have been advised by the Centers for Disease Control and Prevention to maintain social…

Colombian mango production, which exceeded 261,000 t in 2020, generates about 40% of the whole fruit as solid waste, of which more than 50% are seed kernels (over 52,000 t solid by-product); though none is currently used for commercial purposes. This…

RNA viruses are the only known RNA-protein (RNP) entities capable of autonomous replication (albeit within a permissive host environment). A 33.5 kilobase (kb) nidovirus has been considered close to the upper size limit for such entities; conversely,…

O artigo desfaz a ideia de que as famílias rurais pluriativas encontram ambientes favoráveis ao seu crescimento em regiões com economias locais mais dinâmicas e modernas. A pesquisa está apoiada em informações processadas a partir dos microdados da…

O artigo discute a utilização do conceito de Segurança Alimentar e Nutricional no desenho do Projeto Fome Zero e a sua implementação a partir de diversos programas que tiveram início na década passada. Essa política pública é o resultado de uma…

A partir do século XX, a Administração Municipal de São Paulo passou a formular planos que norteavam a política para as áreas verdes públicas. Neste artigo discutimos as modificações observadas em duas experiências distintas, ocorridas,…

The evolution of complex sub-cellular structures such as the synapse requires the assembly of multiple proteins, each conferring added functionality to the integrated structure. Tracking the early evolution of synapses has not been possible without…

Abstract A novel infectious disease, caused by 2019 Novel Coronavirus (2019-nCoV) is responsible for the recent outbreak of severe respiratory disease. The 2019-nCoV spread rapidly and reaching epidemic proportions in many countries of the world.…

The outbreak of severe acute respiratory syndrome coronavirus 2 (SARS-CoV2), the causative agent of coronavirus disease 2019 (COVID-19), has been declared a global pandemic by the World Health Organization. With no standard of care for the treatment…