Issue # 336 _ February 2024

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Cover

Researchers investigate the mysteries of giant Amazonian trees
In Amapá, the rainforest reaches unexplained and unexpected heights for a neotropical zone By
Travel itinerary
The Tumucumaque Mountains National Park (PNMT) is isolated from urban areas, leaving the forest unaltered by human activity By

 

Cooperation

Collaborations and scientific expeditions in the rainforest

Amazonia+10 Initiative brings together researchers from 25 Brazilian states and abroad to improve understanding of the region's social and biological diversity

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Open access

Radical change in science communication

International consortium proposes new model for publishing articles and research results

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Pediatrics

Anemia and nutrient deficiencies fall while being overweight increases among children up to 5 years old

A nationwide study also found that ultra-processed foods are consumed at a high frequency

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Epidemiology

Around 400,000 people died due to cardiovascular problems in Brazil in 2022

Heart attacks and different types of strokes accounted for 76% of cases

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Health economics

Half of all tuberculosis patients spend more than 20% of their annual family income on treatment

Extra consultations or exams, transportation, food, and loss of income add up to US$1,573.40, on average

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Meteorology

2023 was the hottest year on the planet since 1850

The global average temperature was 14.98 °C, almost 1.5 °C higher than in the preindustrial period

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Environment

Approximately 30% of native Pampas vegetation has been cleared since 1985

Advancing agriculture and planting forests of exotic species threatens to radically alter the biome

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Interview

Tasso Azevedo: Deforestation frontiers

Head of MapBiomas explains why deforestation declined in the Amazon in 2023, but increased in the Cerrado

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Ecology

Theodoro, Soneca, and other jaguars in the forests of São Paulo

Guide identifies 51 jaguars, mostly in the far west and south of the state

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Archaeology

Digital map reveals rock art in São Paulo

Cutting-edge technology used to unite data about sites with prehistoric paintings and engravings in the state in an interactive format

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Paleontology

The injured paw of a saber-toothed tiger

Fossil with signs of infection indicates that the animal, which lived around 100,000 years ago, probably struggled to move and hunt

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Physics

Study reduces uncertainty about excess magnetism in muons

Research indicates why calculations based on computer simulations and experimental data diverge regarding the value of this anomaly

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Agronomy

New techniques for determining soil identities

Land mapping with sensors, drones, and satellites improves agricultural productivity and identifies erosion and water or nutrient loss

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Innovation

Online tools help users estimate their carbon footprint

Calculators encourage ecological awareness and increase access to environmental compensation programs

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New materials

Nanocellulose used in tires and cosmetics

Substance extracted from plants increases the strength and reduces the weight of paper, rubber, plastics, paints, and cement

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Society

Sexual violence against men is underreported

Debates about masculinity can encourage men to speak up about sexual violence

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Design

The history of the women who created textile artifacts in Brazil

Pioneers took advantage of an activity associated with femininity to gain a foothold in the job market

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Literature

Gonçalves Dias's legacy goes beyond nationalist Indianism

Poet from Maranhão worked in several areas and wrote texts that preceded discussions about the effects of slavery on Brazil’s formation

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