Highlights

THERMODYNAMICS

Cold beer for longer

Tall, narrow-based glass with trumpet mouth keeps the beverage cooler during consumption

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ATMOSPHERIC CHEMISTRY

Gas in the Amazon rainforest accelerates cloud formation

Trees emit isoprene, which reacts with other molecules and increases the production of cloud condensation nuclei 100-fold

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INTERVIEW

Anacláudia Rossbach: The quest for more resilient cities

Brazilian director of United Nations program says cities play an important role in the process of adapting to and mitigating climate change

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ZOOLOGY

Temperature affects sensory system development in trout

Temperature affects sensory system development in trout

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BOTANY

Plants use pollen bombs to compete for space on hummingbird beaks

Success in competition between male gametes can increase chance of reproduction

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ENVIRONMENT

Aquifer depletion threatens forests and rivers

Over-exploitation and climate change are damaging environments that depend on underground water reserves

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ECOLOGY

Drought and wildfires reduce forest biodiversity

Although the populations of some plant and animal species are able to recover when rains return, the effects of drought and wildfires can last years

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interview

“If left untreated, bipolar disorder is a progressive disease,” says psychiatrist Flávio Kapczinski

UFRGS researcher is part of an international group defining the progressive stages of the disorder and is leading a survey of mental illnesses in Brazil

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PUBLIC HEALTH

Program that empowers pregnant women to make choices reduces unnecessary cesareans

Created 10 years ago, Parto Certificado prevented more than 20,000 surgical births between 2014 and 2019

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data

Skilled occupations and occupational structure

Graphs show the prevalence of skilled occupations in Brazil and around the world

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GOOD PRACTICES

Blind dates

Nonstandard scientific collaborations tracked to detect articles sold by paper mills

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GOOD PRACTICES

Misconduct in studies on superconducting materials costs researcher his job

Misconduct in studies on superconducting materials costs researcher his job

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GOOD PRACTICES

Clinical trial failure ends controversial trajectory of promising treatment for Alzheimer’s disease

Clinical trial failure ends controversial trajectory of promising treatment for Alzheimer’s disease

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GRADUATE STUDIES

Public universities in São Paulo create flexible model for graduate studies

New pathway offers a master's degree with interdisciplinary curriculums and the chance to advance to a doctorate after one year

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INNOVATION

Deep techs, science-based startups that develop solutions to complex problems, are gaining focus and interest in Brazil

Survey identified 875 companies of this type in Brazil; 55% of them in the state of São Paulo

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