A Critical Appraisal on the Role of Varicocele in Male Infertility by Ricardo Miyaoka, Sandro C. Esteves

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Nonstandard Neutrinos Interactions in a 331 Model with Minimum Higgs Sector by M. Medina, P. C. de Holanda

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Panic Disorder: Is the PAG Involved? by Cristina Marta Del-Ben, Frederico Guilherme Graeff

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Da contra-hegemonia política às políticas contra-hegemônicas: as ações afirmativas para negros na sociedade brasileira by Marcelo Martins Silva, Ramatis Jacino, Sidney Jard Silva

“…We argue that affirmative action for blacks in Brazil appears as one of those counter-hegemonic perspectives in the recent political scenario. …”
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Use of Arduino for Monitoring the Air Quality of Indoor Environments by Felipe Macedo Freitas Siqueira, Lizandro de Sousa Santos

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Nonlinear seismic analysis of a reinforced concrete building for Brazilian conditions and standards by José Vittor Siqueira Cóco, Mauro Schulz

“…The results indicate that the implemented methodology is a viable option for the seismic evaluation of reinforced concrete buildings in Brazil.…”
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Nonorthogonality and κ-Dependence Eccentricity of Polarized Electromagnetic Waves in CPT-Even Lorentz Violation by Thiago Prudêncio, Humberto Belich

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The Exponentiated Half-Logistic Family of Distributions: Properties and Applications by Gauss M. Cordeiro, Morad Alizadeh, Edwin M. M. Ortega

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Symmetry Restorations in the Singlet Scalar Yukawa Model Within the Auxiliary Field Method by Anderson A. Nogueira, Fábio L. Braghin

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Segmentation of current and potential investors in retirement plans to retain and capture customers by Ronaldo Andrade Deccax, Carlos Heitor Campani

“…In addition, significant behavioral barriers were identified for the expansion of the retirement market, such as a low level of maturity of current market practices in Brazil and the need to use Behavioral Finance instruments in this confrontation.…”
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Uma reflexão sobre os agentes históricos na sistematização do estereótipo africano sobre a construção do imaginário do negro no Brasil by Claudia Lima

“…This article presents a reflection based on references in order to show a major problem which is the African stereotype on the construction of the imagery of black people in Brazil, which interferes directly as a limiter in the receptivity and in the adequate recognition of the founding myths of the matrix African religions. …”
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Primary Mucinous Adenocarcinoma of the Urinary Bladder with Signet-Ring Cells: Description of an Uncommon Case and Critical Points in Its Management by Fabrizio Di Maida, Giuliano Amorim Aita, Daniele Amorim Aita

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Treatment for regularity of the Navier-Stokes equations based on Banach and Sobolev functional spaces coupled to anisotropic viscosity for analysis of vorticity transport by Rômulo Damasclin Chaves dos Santos, Jorge Henrique de Oliveira Sales

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Do Meio à Classe Média: como a “nova classe média” e a “classe média tradicional” percebem sua posição social? by André Salata, Celi Scalon

“…The paper aims to bring new elements to the current debate about the middle class in Brazil, taking the class identities and perceptions about middle class as its object. …”
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Paraná Pine, Araucaria angustifolia: An Ancient-Looking Conifer for Modern Landscapes by Gary W. Knox

“…This tree once covered vast areas in southern Brazil, Argentina and Paraguay. Native Americans harvest the seeds for food. …”
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Numerical Validation of Analytical Estimates for Propagation of Thermal Waves Generated by Gas-Solid Combustion by Weslley da Silva Pereira, Grigori Chapiro

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Impact Force Magnitude Analysis of an Impact Pendulum Suspended in a Vibrating Structure by R.R. Aguiar, H.I. Weber

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Approximate Prediction-Based Control Method for Nonlinear Oscillatory Systems with Applications to Chaotic Systems by Thiago P. Chagas, Pierre-Alexandre Bliman, Karl H. Kienitz

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Remarks on an Anomalous Triple Gauge Boson Couplings by Patricio Gaete, J. A. Helayël-Neto, L. P. R. Ospedal

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Mathematical analysis for simulation of incompressible fluid flow by Rômulo Damasclin Chaves dos Santos, Jorge Henrique de Oliveira Sales

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