Issue # 325 _ March 2023

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Cover

System designed to detect manipulated images in scientific articles
Artificial intelligence can both generate fake images and help to identify them By
ChatGPT ushers in a new era in human-computer interaction
Software promises to reinvent everything from online search engines to voice assistants, with a multitude of ethical implications By

 

Knowledge production

Analysis of millions of papers and patents suggests science is becoming less disruptive

Study indicates limits on the ability of researchers to change the direction of fields of knowledge

By

Interview

Luciana Santos: We need new arrangements

The new minister of the MCTI talks about plans to recover public funding for research and how to combat gender inequality in science

By

Public policy

Public ambulances available to 85% of the population, but service is uneven

Researcher maps public ambulance service’s assistance, coverage, and workforce

By

Biofuel

Natural compounds can increase ethanol production from sugarcane bagasse

Treatment applied to the crop makes it easier to capture energy stored in the plant's cellulose

By

Ecology

The reason behind the megadiversity of fish in South America

Geological events of the last 55 million years have restructured hydrographic basins and contributed to the diversification of freshwater species

By

Archaeology

Pre-historic site may harbor the first araucaria pine record in rock art

Cave painting at a prehistoric site in the interior of Paraná would be the first record of the species in rock art

By

Neurosciences

Brazilian and French researchers identify a new possible biological cause for depression

Failure to recycle neuron components leads to signs of the disease in mice similar to those seen in humans

By

Epidemiology

Mpox in children may signal infection risk in other population groups

One in every four people infected by Mpox in Sergipe is under 18 years of age

By

Nutrition

The burden of ultra-processed foods

New research links consumption of ultra-processed foods to 10% of premature deaths in Brazil and accelerated cognitive decline

By

Astrophysics

Brazilian astronomers find "misplaced" ring around an object distant from the Solar System

A distant circular structure is found revolving Quaoar, an icy body located in the Kuiper belt

By

Renewable energy

New buoy for measuring ocean winds

Brazilian scientists create essential device for installing wind farms at sea

By

Biotechnology

Company develops transgenic moth

New technology offers an alternative method to combat the biggest threat to maize crops

By

Biotechnology

Transgenic Aedes aegypti mosquitoes hit the market

Brazil is the first country to authorize general sale of the genetically modified mosquito

By

Entrepreneurship

New products for rural property owners

Startups develop food and improve agricultural management and sales, according to EMBRAPA analysis

By

GENDER

Women face obstacles to promotion in Brazilian public services

Brazil occupies a modest position among Latin American countries when it comes to gender equality at senior levels

By

History

How artists contributed to the end of slavery in Brazil

Studies examine how theater and music participated in the emancipation of enslaved people in the country

By

Public spending

The importance of early childhood

Researchers create methodology for calculating federal budget allocated to children aged six and under in Brazil

By