Tools of death with a touch of romance: all the amazing things scorpions use their weapons for

In the world of animal weaponry, scorpions stand out by having two separate weapons, used in many different ways. The authors consolidate 150 years of research in the perspectives of feeding, defense and sexually related contests. An exciting guided tour into scorpion weapon biology and a reference for researchers. Read More →

Violence in Costa Rica: an eminently urban phenomenon

The degree of urban development in Costa Rica plays a key role in explaining homicide rates, once we have controlled for a wide range of explanatory variables. This effect is progressive. The relationship between violence and urban concentration is not observed in offenses other than homicide. Read More →

Hyperbureaucratic impacts of digital education management machines

Given the promises of reducing bureaucracy in education, the relevance of rational and informational authority, served by information technologies and digital control instruments, is admitted. Machines for managing education will tend to produce education as much more irrational in substantive terms as more rational in formal terms, which may result in dehumanized education. Read More →

How will the work of teachers be carried out after the COVID-19 pandemic?

The study draws attention to the need for profound changes in education and pedagogical work. After the COVID-19 pandemic, teachers will be more important than ever, but the teaching profession will face unprecedented challenges in its history. Read More →

Russian Expert’s Notes on the Oeuvre of Mikhail Bakhtin

How is Bakhtin’s work studied and assessed in his homeland, Russia, nowadays? A professor from the same university where Mikhail Bakhtin also taught for several years presents us some notes raising intriguing issues related to Bakhtin’s book Problems of Dostoevsky’s Creation/Poetic, providing the reader a view of them in the Great Time. Read More →

Factors influencing the occurrence of types of crime in professional nursing practice

The nursing category comprises more than 500,000 workers. Assuming that human beings are fallible, we must analyze the occurrence of types of crime in care without hasty judgments. The study addresses the analysis of professional testimonies with a focus on the discussion of ethical problems in the professional routine. Read More →

Pandemic brings unprecedented visibility to nursing professionals

Based on journalistic articles published in the national and international media, the study shows that the news contributed to increase the visibility of the Nursing team work in the Covid-19 pandemic, thereby favoring improvements for the category. Read More →

Isthmic nodules have similar US and cytopathological features and tumor characteristics to non-isthmic ones

Logo do periódico Archives of Endocrinology and Metabolism

Patients who underwent thyroidectomy were retrospectively reviewed. Group-1 (isthmic) and Group-2 (lober; non-isthmic) were compared. Isthmic nodules appear to be indolent because of having lower malignancy rate. The surgery with limited extent or follow-up might seem to be reliable in the management of patients having isthmic nodules especially with indeterminate cytology. Read More →

β-scoliidine, present in Japanese solitary wasp venom, protects neuronal cells from oxidative stress

Solitary wasp venoms represent a rich source of molecules of pharmacological interest. Thus, to unravel the content of Scolia decorata ventralis venom, proteomic techniques were used, and two new peptides were determined as its major components, α-scoliidine and β-scoliidine. Interestingly, β-scoliidin was effective in protecting neuronal cells against oxidative stress. Read More →

Space conquest and the future of humanity

The Space Age resulted from the USA × USSR dispute following World War II. Currently, in addition to the dispute among nations, the world space scenario is marked by competition among different private agents, in a modality called NewSpace. For the present decade, 22,000 satellites are expected to be launched, twice the number of satellites launched since the Sputnik. The Space Age allowed for the monitoring of the deterioration of the planet´s health, putting at risk the future of life on Earth. Read More →