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The aquatic fungus, which has led to the extinction of several species of amphibians that spend all or part of their life cycle in water, also threatens terrestrial amphibians. In Brazil, researchers supported by FAPESP have found unprecedented mortality among a genus of tiny frogs known as pumpkin toads, which inhabit the rainforests of the Atlantic Ocean away from any aquatic environment. The animals were heavily infected with chytrid (Batrachochytrium dendrobatidis), which causes [...]

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 [...]

Climate change was the main cause of the extremely heavy rainfall that led to severe flooding, deaths and massive damage in cities across Minas Gerais state, Southeast Brazil, in January 2020, according to a study published in the journal Climate Resilience and Sustainability. Using climate modeling for the region, the study shows that the effects of industrialization and global warming increased the probability of far higher volumes of rain than expected by 70% compared to scenarios with [...]

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 [...]

A novel form of citizenship and community action is on view in a few small towns in the Brazilian Amazon. According to a field survey conducted in Carauari—which is a two-hour flight or a five-day boat trip away from Amazonas state capital Manaus—the townspeople are highly organized to practice a type of circular economy that converts waste into resources. The experience underway in the area can serve as an example for other Brazilian towns. An article on the study appears [...]

In an article published in the journal PLOS ONE, Brazilian scientists show that one of the effects of overfishing in Arraial do Cabo, Rio de Janeiro state, Brazil, is the replacement of large, valuable species by smaller species for which there used to be little demand. According to the authors, the decline in stocks of Pomatomus saltatrix (bluefish), Epinephelus marginatus (dusky grouper), Caranx hippos (crevalle jack) and Seriola fasciata (lesser amberjack) has been followed by an increase [...]

Researchers describe the genome of Bothrops jararaca and suggest the origin of genes responsible for toxins in its venom. A group led by researchers at Butantan Institute and funded by São Paulo Research Foundation—FAPESP has completed the first sequencing of a Brazilian snake's genome. The study is reported in an article published in the journalPNAS. It suggests that the nine genes that encode toxins produced by the jararaca pit viper Bothrops jararaca probably originated in [...]

A team of scientists has discovered a new marmoset species in the Brazilian Amazon. Schneider’s marmoset (Mico schneideri), described in the latest issue of the journal Scientific Reports, is named after professor Horacio Schneider, a pioneer and major contributor to the research of diversity and evolution of monkeys. The discovery was made by a team of researchers led by Rodrigo Costa Araújo, currently an associate researcher at Museu Paraense Emílio Goeldi. Araújo [...]