Issue # 357 _ November 2025

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Cover

COP30 seeks more ambitious global targets to reduce emissions and curb global warming
Conference in Belém also aims to raise annual climate funding to US$1.3 trillion By
In 30 years, COP has become the largest annual United Nations conference
Number of participants in the meeting has increased more than tenfold since the Berlin meeting in 1995 By

S&T Policy

Indicators

Network will produce and refine state science and technology indicators

Objective is to use standardized methodologies to produce comparable metrics

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Interview

Physicist Luís Carlos Crispino discusses efforts to popularize science in the Amazon region

Researcher from UFPA (Federal University of Pará) won this year's José Reis Award for Science Communication

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Science

Interview

Ghanaian climatologist says poor countries need financial and technological support to tackle global warming

Nana Klutse visited Brazil in September and discussed the impacts of climate change already experienced by various nations, particularly in Africa

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Nobel

2025 Nobel Prize awarded to basic science that can lead to innovations

Surveillance cells of the immune system, quantum tunneling, and metal-organic frameworks won in the scientific categories, while the Economics prize recognized sustainable growth

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Ethology

Cultural traditions of animals can contribute to strategies for protecting them

Research suggests that behaviors such as using tools, gathering food, and vocalization dialects in primates should be preserved

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Zoology

Arthropods use their large limbs to regulate heat

Beetles and crabs can use their horns, claws, and giant pincers to cool or warm their bodies

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Anatomy

Brazilian neuroscientists map hidden brain connections

Thalamic commissures, now defined in detail, connect the cerebral cortex of one hemisphere to the thalamus of the opposing hemisphere

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Paleontology

Forest surrounded by desert 260 million years ago

An oasis in what is now Rio Grande do Sul may have protected plants and animals from arid climate during time of mass extinctions

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Evolution

Some insects hide, others show off

International study highlights environmental situations in which it is better to camouflage or show warning coloration to escape predators

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Technology

Agricultural engineering

New raw materials diversifying ethanol production in Brazil

Corn, sorghum, and wheat expand the range of options; agave, the plant used to make tequila, has potential to be an important biofuel input

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Medicine

Brazilian researchers develop device that simulates lung and nodules

Aim is to make technology used to assess the performance of computed tomography scanners in the pulmonary region more accessible in Brazil

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Environment

Innovative solutions improve urban tree management

Three-dimensional root maps and AI platforms can guide pruning and ensure plant integrity

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Humanities

Geography

How maps became tools for claiming rights

Traditional communities, vulnerable populations, and artists use cartography to raise awareness of their territories and create new forms of symbolic expression

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History

Revolts intensified repression of enslaved people

Nineteenth-century uprisings, such as the Carrancas and Malê revolts, scared the imperial elites

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