Issue # 335 _ January 2024

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Cover

Antibiotic-resistant bacteria on the rise in Brazilian hospitals
Microorganisms killed at least 33,000 people in the country in 2019 By
Testing of candidate antibiotics has increased in the last decade
The number of compounds entering clinical use is still too low to combat multidrug-resistant bacteria By

 

Science communication

Science TikTokers

Blending character impressions, animations, and memes, students and young researchers create short videos on science topics using their smartphones, earning additional income

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Biodiversity

Incomplete jigsaw puzzles

IBGE analysis indicates that records of the occurrence of species of fauna and flora are unevenly distributed in the Brazilian territory

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Innovation

For mapping the biodiversity of the forest

In July 2024, in Amazonas, a Brazilian team will compete in the final for the US$10 million prize that encourages the development of autonomous technologies with rapid data integration

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Geosciences

Ground in Maceió has been sinking for 20 years

Salt mines caused tremors and cracks in five neighborhoods in the capital of Alagoas

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Climate change

COP28 acknowledges the role fossil fuels play in global warming, but stops short of banning them

United Nations conference held in Dubai recommends investing in clean and renewable energy sources

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Meteorology

Artificial intelligence could improve weather forecasting

GraphCast, developed by Google DeepMind, is in the testing phase

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Ecology

Caatinga shrinking

Agriculture has transformed 89% of typical native vegetation in Northeast Brazil

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Fetal medicine

Digital atlas identifies the ideal evolution of a baby's brain during pregnancy

3D ultrasounds of the brains of 899 healthy babies were used to map development of the organ from the fourteenth week of pregnancy onwards

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Immunology

Cutaneous leishmaniasis may be aggravated by viral and bacterial coinfections

The presence of microorganisms increases the level of inflammation caused by the parasite

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Astrophysics

Star brightness changes every four years, lighting up part of the surrounding nebula

Cloud of gas and dust is illuminated by the wave phenomenon, known as a light echo

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Energy

The race for perovskite solar cells

Brazilian research groups are helping to advance research about a promising class of materials for photovoltaic applications

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New materials

Advances in 3D printing of human tissues

Artificially produced skin, livers, and intestines emerge as an alternative to testing cosmetics on animals

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Interview

Marco Antonio Chamon: Busy years ahead for Brazil’s space program

The Brazilian Space Agency’s recently appointed president announces new international collaborations as he prepares for a flurry of rocket and satellite launches

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Agricultural engineering

New sensors help to optimize use of irrigation in the field

Soil moisture sensors with Brazilian technology hit the market and may contribute to the rational use of water resources

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Linguistics

Research deconstructs the image of Brazil as a monolingual country

Studies focusing on variants of Portuguese, sign language, and Indigenous languages seek to combat linguistic prejudice

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Cinema

Festivals seek to disseminate scientific content through audiovisual media

A greater number of such events in Brazil would encourage film production, says researcher

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