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SPACE AGRICULTURE

Brazilian researchers investigate how to grow plants off Earth

The scientists want to contribute to a NASA program whose objective is to grow food for future colonies on the Moon and Mars

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CLIMATE CHANGE

Global warming threatens main Atlantic Ocean current system

Ice loss in Greenland puts Atlantic Ocean currents at risk

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ASTROPHYSICS

Complex organic molecules found in the ice of nascent stars for the first time

Complex molecules associated to the origins of life identified in solid phase in two emerging stars

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PHYSICS

Quantum startup develops random-number generator used in lottery

Chilean company was founded based on a method developed by a physicist from Minas Gerais and his Polish colleague

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PLANNING

Quantum technologies need to attract more engineers

The topic was addressed at a thematic meeting held in Rio de Janeiro and São Paulo, a preparatory event for the 5th National Conference on Science, Technology, and Innovation

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ARCHAEOLOGY

Indigenous peoples made engravings alongside dinosaur footprints

Indigenous peoples carved marks next to dinosaur footprints in Paraíba

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EVOLUTION

Neighbors who lend their DNA

Plants are descendants of algae that acquired genes from fungi and bacteria, genes that became essential to the structure of plant cells

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Public health

Shorter treatment for malaria

New drug proves as effective at preventing recurrences as current medications with longer courses

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XENOTRANSPLANTATION

A team from USP is attempting to create genetically modified pigs to provide organs to humans

The animals will be raised in special facilities, such as one opened on the Cidade Universitária campus in April

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Data

Industrial expenditure on R&D in Brazil

Graphs show industry R&D spending in Brazil in 2022

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GOOD PRACTICES

The echo of ancient words

Researchers and journals discuss limits on when authors can reuse excerpts from their previous work in new articles

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GOOD PRACTICES

Linguistics journal editors resign and found new journal

Linguistics journal editors resign and found new journal

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Good practices

PLOS ONE changes publication process to reduce number of corrections

PLOS ONE changes publication process to reduce number of corrections

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COOPERATION

New alliances in the South Atlantic

A lack of information and shared problems, such as climate change, motivate international scientific partnerships

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SCIENTOMETRICS

Algorithm encourages constructive and respectful peer review

Rude, vague, and even discriminatory scientific opinions jeopardize the effectiveness of evaluations among scientists

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Humanities

Maria Cecília Minayo: A sociological look at health

FIOCRUZ researcher emeritus created methodologies for investigating how violence affects the lives of specific groups, such as the elderly and police officers

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Public policies

Brazil invests in housing-first program

Initiative is based on the theory that homeless people need a place to live before they can access psychological and social services and earn professional qualifications

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Public policies

Life on the street

Brazilian cities face the challenge of reducing homeless populations, which have tripled in the last 10 years

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Demographics

A world with fewer children

Fertility rates have fallen drastically in the last 70 years

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Health

One in five pregnant women has an STI

One in five pregnant Brazilian women has at least one sexually transmitted infection

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Biochemistry

Floating flowers to clean rivers

Flowers on mats helped clean river water in the USA

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New Materials

Banana peel films

Powdered banana peel transformed into bioplastic films with potential applications in packaging

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Biodiversity

Colors found among white sandy islands of the Amazon

White sandy areas of the Amazon are home to unique plant communities

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Biodiversity

Rare maned wolves in Rio Grande do Sul

The maned wolf, typical of the Cerrado biome, was spotted on the border between the states of Rio Grande do Sul and Santa Catarina

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Medicine

Signs of Parkinson’s disease in the skin

In the future, a skin exam could help doctors diagnose Parkinson's disease

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recognition

Niède Guidon wins Admiral Álvaro Alberto Award

Niède Guidon wins Admiral Álvaro Alberto Award

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History

Mexicans recover Aztec documents

Mexicans recover three Aztec documents from the sixteenth and seventeenth centuries

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Biodiversity

More dams, less fish diversity

Hydroelectric dams reduce the diversity of freshwater fish worldwide

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Astrophysics

Strong magnetic field at the center of the Milky Way

Magnetic fields around the edge of the Milky Way's supermassive black hole

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New Materials

Flexible solar cells in thin plastic films

Australian scientists make flexible solar cells from thin plastic film

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