Issue # 343 _ September 2024

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Cover

Injecting particles into the atmosphere could temporarily reduce global warming
The controversial technique of releasing aerosols could reduce the amount of sunlight reaching Earth, but the negative side effects might outweigh the benefits By
The world has been around 1.5 °C warmer for over a year
It is the longest period in recent history in which the planet has experienced such a dangerous increase in average temperature By
Global warming increased droughts and heat by 40% during June fires in the Pantanal
Climate change has made extreme events four to five times more frequent in the biome By
Bacteria in Amazon tree trunks are capable of absorbing methane
Study by international group indicates that the phenomenon occurs in non-flooded areas By

 

Planning

Conference gathers recommendations for new Brazilian ST&I plan

Meeting in Brasília and preparatory events mobilized the scientific community

By and

Interview

Emmanuel Tourinho: The rainforest won’t survive without traditional populations

According to the dean of UFPA, social degradation in the Amazon also threatens to destroy the biome

By

Indicators

Clear signs of recovery in laboratories

FAPESP Annual Report shows that São Paulo’s scientific community regained momentum in 2023

By

Public Health

Vaccination rate for children under two on the rise since 2022

Experts attribute recovery to measures implemented at a municipal level and by other spheres of government

By

Epidemiology

Suicide by drug overdose in Brazil has increased by 2.6 times in 20 years

Increase coincides with periods of domestic and global economic crisis

By

Medicine

Aggressive variant of the Oropouche virus circulating in Brazil

New strain multiplies rapidly and could facilitate transmission

By

Immunology

Butantan vaccine candidate reduces the risk of severe dengue fever by 89%

The compound proved safe and prevented 67.3% of those immunized from developing symptoms of the disease

By

Veterinary Science

Bird flu can be transmitted between mammals

Brazilian study suggests H5N1 virus has spread among sea lions in South America

By

Paleontology

Fossilized feces contain traces of parasites that can still infect animals

Scientists discovered evidence of protozoa in birds that lived in what is now Brazil roughly 30 million years ago

By

Interview

Miguel de Barros: The sea swallowing the land

Sociologist from Guinea-Bissau discusses loss of arable land and rising food insecurity due to impact of climate change in West Africa

By

Crop Science

New cultivation techniques seek to curb the spread of citrus disease

Greening was one of the main causes of a 25% drop in yield in the last harvest

By

Environment

Good cultivation practices can reduce carbon emissions in the field

Leaving sugarcane leaves on the field and improving soil care can help reduce greenhouse gas emissions in agriculture

By and

Biotechnology

Plant-based proteins improve lab-grown meat

Agricultural waste could reduce costs and make meat grown from animal cells even more similar to conventional meat

By

Geography

Study maps mining conflicts

Extraction of minerals needed for the energy transition aggravates disputes over land ownership and water access in Brazil

By

Subsection

Informal miners join criminal factions in the Amazon

Study suggests that Pará is being used to legalize gold mined illegally in other states

By

History

New perspectives seek to broaden our understanding of the Paraguayan War

Studies investigate topics such as the recruitment of enslaved people, the role of women, and life in the camps

By