Highlights

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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Innovation

To measure your carbon footprint

Online calculators encourage ecological awareness and increase access to environmental compensation programs

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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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Physics

Study reduces uncertainty about excess magnetism in muons

Study reduces uncertainty about excess magnetism in muons

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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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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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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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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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Environment

The silent drama of the Pampas

In the past four decades, 30% of the biome’s native vegetation has been occupied by soybean cultivation and even by planted eucalyptus forests

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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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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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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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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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Data

The slow resumption of PhDs

Significant growth in the number of PhDs awarded between 2021 and 2022

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Good practices

Shining a light on the dark history of racism

Two-hundred-year-old scientific journal acknowledges its own connections with slavery and complicity in prejudice

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