Issue # 338 _ April 2024
Cover
- Global warming leads to emergence of Brazil’s first arid zone and expansion of semiarid climate and dry areas
- The least humid region in the country is in the north of Bahia, close to the border with Pernambuco By Marcos Pivetta and Renata Fontanetto
- Global warming accelerates the water cycle and increases evapotranspiration
- Excess atmospheric moisture can generate both heavy rainfall and prolonged droughts By Marcos Pivetta
- Region in the north of Minas Gerais suffers its driest period in over seven centuries
- The conclusion is based on analysis of the chemical composition of cave rocks in the municipality of Januária, located in the São Francisco River basin By Marcos Pivetta
Planning
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Preparatory events gather suggestions for the National Conference on Science, Technology, and Innovation
By Fabrício MarquesIndicators
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Brazilian research serves as a reference for public policies in several countries, study shows
Survey highlights the influence of articles by scientists from the state of São Paulo
By Fabrício MarquesPUBLIC POLICY
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Report identifies 476 invasive species in Brazil
A study estimated that some of these animals and plants cost the country US$3 billion in damages
By Sarah SchmidtPublic health
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The total number of people with obesity worldwide has surpassed one billion
The number is expected to grow by 50% by the middle of next decade
By Giselle SoaresEpidemiology
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Frequency of mental illness doubles between childhood and adolescence
By Ricardo Zorzetto and Felipe FlorestiEthology
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Underground amphibians produce “milk” to feed their young
Study published in Science describes nursing behavior in caecilian species found in Brazil
By Letícia NaísaEnvironmental management
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Coastal protection works do not always prevent marine erosion
Research reveals limitations of strategies used to stop infiltration of the sea
By Carlos FioravantiInterview
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Physicist Hans Herrmann explains why dunes are such a fascinating and complex system
By Marcos PivettaAerospace engineering
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A drone to explore other planets
Unmanned aerial vehicle is designed to fly on Mars and in inhospitable regions of Earth
By Domingos Zaparolli