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A study of the management plans for 118 conservation units in Brazil shows that 60% use unsuitable methods to detect the presence of deer, and that 38% do not even describe the method used. Conservation of these animals may be endangered as a result. Eight deer species occur in Brazil; three are red-listed as “vulnerable” by IUCN. Management plans prescribe the governance and technical aspects of the administration of protected areas in Brazil. The protected areas analyzed in the [...]

The rhythms of activity in all biological organisms, both plants and animals, are closely linked to the gravitational tides created by the orbital mechanics of the Sun-Earth-Moon system. This truth has been somewhat neglected by scientific research but is foregrounded in a study by Cristiano de Mello Gallep at the University of Campinas (UNICAMP) in the state of São Paulo, Brazil, and Daniel Robert at the University of Bristol in the United Kingdom. An article on the study is [...]

Between 118 and 138 million tons of organic waste are generated annually worldwide, with waste from the food production and distribution chain accounting for 100 million tons of the total. Only about 25% of all this biowaste is collected and recycled. The other 75% is simply thrown away, representing a huge loss of potential resources and major damage to the environment. These numbers are from a report published in 2018 by the European Environment Agency. Its statistics are the most recent [...]

Researchers in Brazil and Belgium have developed a molecule of pharmaceutical interest from collinein-1, a protein found in rattlesnake venom. They used a technique called PEGylation to make the molecule, now called PEG-rCollinein-1, more stable in the organism and resistant to the immune system, obtaining a drug candidate to modulate blood clotting. An article reporting the results of the research has recently been published in the International Journal of Biological [...]

A scientific expedition in the Javari River basin on the border between Brazil, Colombia and Peru has shown use of environmental DNA sequencing to be feasible to investigate fish diversity in the Amazon. The eDNA method consists of extracting molecules of DNA present in water samples and identifying the species to which they belong by means of genetic markers. An article on the research published in the journal Scientific Reports also discusses the limitations of the technique for the study of [...]

A Brazilian study published in the journal Communications Earth & Environment shows how wildfires and forest burning for agriculture influence rain cloud formation in the Amazon. According to the authors, aerosols (tiny solid particles and liquid droplets emitted into the atmosphere by fire) hinder the freezing of cloud droplets when the atmosphere is humidified, but can also promote freezing when the atmosphere is dry. This alters the natural functioning of clouds and their typical height, [...]

In 2019, history student Rodrigo Gomes found out on social media about a call for volunteers to take part in a scientific project relating to the ocean and conducted by the Federal University of São Paulo’s Institute of Marine Sciences (IMAR-UNIFESP) in Santos, on the coast of the state of São Paulo, Brazil. He signed up for the project, took workshops, and trained in the field. “I was very fortunate to have all that contact with professors and learned a great deal [...]

The Roman Empire was ruled by 175 men, from Augustus (63 BCE-19 CE) to Constantine XI (1405-53), including the Eastern or Byzantine Empire after the split in 395 CE, but excluding those who did not rule in their own right because they were minors during regencies or co-emperors. Only 24.8% of the 69 rulers of the Western Empire died of natural causes. The rest died a violent death on the battlefield or in palace plots. Considering all 175, 30% were murdered, committed suicide or died in [...]

A study conducted at the University of São Paulo (USP) in Brazil, and reported in an article published in the journal Conservation Letters, shows that destruction of the Atlantic Rainforest increases in election years. The researchers correlated data from the Electoral High Court (TSE) and MapBiomas, the Brazilian Annual Land Use and Land Cover Mapping Project, for 2,253 municipalities in the southern and southeastern regions covering the period 1991-2014. They [...]