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Good practices

Doctoral study set to investigate the operation and business models of paper mills

Doctoral study set to investigate the operation and business models of paper mills

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Good practices

English universities respond to new regulations on harassment and sexual violence against students

English universities respond to new regulations on harassment and sexual violence against students

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Integrity

USP creates Office of Research Integrity and Protection

New office tasked with preventing conflicts of interest and supporting entrepreneurial teachers

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Cybersecurity

Cyberattacks on universities and scientific institutions on the rise in Brazil

Attacks against the National Education and Research System increased by 56% between 2023 and 2024

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Scientific production

Researchers use artificial intelligence in scientific work

Researchers use artificial intelligence in scientific work

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Interview

Regina Macedo: Biologist reformulates view on bird behavior

São Paulo native from UnB who helped revise concepts about sexual selection in the tropics and cooperative breeding has dedicated herself to another passion since last year: painting

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Public health

Genome diversity could help SUS

Brazil’s national health system (SUS) could treat diseases more efficiently by making use of databases on ancestry and the wide variety embedded in Brazilian DNA

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Genomics

Brazilians are even more mixed-race than you think

New DNA sequencing of 2,723 people reveals greater Indigenous and African ancestry and highlights violence that marked the formation of the Brazilian population

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Mental health

Depression and anxiety among students

More than half of all students at Brazilian public universities show signs of depression and anxiety

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Physics

Rare form of helium abundant in the Sun

Solar Probe records highest ever observed concentration of rare isotope helium-3 in the Sun

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Food

Eating less meat reduces environmental impact

Red meat is incompatible with a sustainable diet due to high environmental impact

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New materials

Rigid and stretchy double network

Researchers develop synthetic metamaterial that combines seemingly incompatible properties

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Botany

Why does a rose smell like a rose?

Volatile organic compounds present in the aroma of roses trigger emotional response

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Economy

Faster financial transactions

Scientists create new financial transaction technology that promises to be faster and more efficient

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Public health

Ethiopian holy water brings cholera to Germany and the UK

Ethiopian holy water brings cholera to Germany and the UK

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Zoology

Still hunters

Despite having been domesticated, dogs and cats maintain their predatory instinct and pose risks to wildlife

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Biodiversity

Fungal diversity continues to decline

Fungal diversity is declining, with many species threatened with extinction

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Archaeology

Mayan altar reveals conflicts between ancient peoples

Archaeologists find Mayan altar from 300 AD clearly influenced by Mexican city

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Ecology

Intense droughts, the greatest enemy of amphibians

Severe droughts have drastically reduced amphibian populations

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Linguistics

Learning Nheengatu

Nheengatu, language of Tupi origin, still spoken in the Amazon

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Astrophysics

Portrait of the Universe

Space mission captures images of 380,000 galaxies of varying shapes and sizes

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Medicine

Precious information about earwax

Compounds in earwax may help detect cancer in its early stages

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Letter from the editor | 352

Cartography of lives

Letter from the editor

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Photolab

Short flight

Photo shows newly described insect species with a lifespan shorter than 24 hours

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Research itineraries

In theory and in practice

Educator Caroline Jango investigates ways to tackle racism in schools

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Retrospect

Paula Souza’s ideas still guide public health in Brazil

Doctor from São Paulo brought the concept of health centers from the USA and promoted good nutrition as a disease prevention strategy

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Obituary

Cultural radar

Feminist theorist Heloisa Teixeira helped promote marginal poetry and founded the University of Quebradas

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Performing arts

Artists with disabilities defend the presence of non-normative bodies on stage

Productions designed with this in mind emerged in Brazil in the 1990s and seek a wide audience

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Literature

Chico Buarque’s books boost international circulation of his work

Translated into several languages, the author's novels have earned recognition from awards and literary circuits in countries such as Italy and Portugal

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Society

New Republic turns 40

Period of redemocratization has been marked by social advances and economic plans

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