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Agriculture

Drought-resistant crop options

Diversification of agricultural crops has mitigated effects of climate fluctuations in northwest India

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Editorial

Palms, armspans, and blocks of sugar

The increase in the homeless population over recent years is clearly evident to anyone visiting any of Brazil’s major metropolises. Although the phenomenon is no longer restricted to large cities, that is where this acute form of social exclusion and poverty is most apparent. There are homeless people, defined as anyone who lives temporarily or... View Article

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Photolab

Fish watching

Biologist highlights the importance of ecotourism to the preservation of a river ecosystem

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Research itineraries

First-hand experience

After caring for her mother, who suffered from Alzheimer's, Ceres Ferretti switched from studying philosophy to nursing, later becoming a care specialist

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Retrospect

The first transatlantic telegraph cable in Brazil

Installed 150 years ago, the innovation helped newspapers and encouraged the creation of news agencies around the country

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Obituaries

Between sociology and law

Werneck Vianna's work explored perceived missteps in Brazil’s modernization

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Obituary

The storyteller economist

In an international career, Mauro Boianovsky investigated the contributions of authors from different eras and genres

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Circus

Even without any undergraduate courses in the country, circus research is advancing in Brazil

Study groups investigate issues such as the trajectory of women in Brazilian circuses

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Audiovisual

Research helps identify lost film about the Amazon

Film about the Amazon lost in the 1920s is found in the Czech Republic

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ENVIRONMENTAL MANAGEMENT

Brazilian cities are more vertical

Changes in municipal legislation and real estate market dynamics are driving the construction of taller buildings

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Energy

Compact device can reduce power outages

Company intends to increase the use of reclosers, which restore electrical current after short circuits in overhead cables

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Aerospace engineering

A drone to explore other planets

Unmanned aerial vehicle is designed to fly on Mars and in inhospitable regions of Earth

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Space

Tribute to the pioneers

Two large telescopes under construction have been named for American astronomers Vera Rubin and Nancy Roman

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Interview

Physicist Hans Herrmann explains why dunes are such a fascinating and complex system

German researcher based in Ceará studies the formation and movement of sand dunes sculpted by the wind

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Environmental management

Disfigured coastline

From the north to the south of Brazil, coastal protection projects seek to curb rising sea levels and beach erosion, usually with little success

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Ethology

Underground amphibians produce “milk” to feed their young

Study published in Science describes nursing behavior in caecilian species found in Brazil

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Zoology

The explosive evolution of snakes

A combination of genetic, ecological, and morphological data reveals the secrets of success behind these legless reptiles

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Epidemiology

The mental burden of the young

Frequency of psychiatric disorders doubles between end of infancy and start of adolescence

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Interview

Carlos Augusto Monteiro: The normality of being overweight

USP epidemiologist studying the effects of nutrition on health attributes the rise in obesity to the transformation of the food system

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Public health

An overweight world

There are now more than one billion people with obesity worldwide, and the number is expected to grow even further in the next decade

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Data

Impacts of Innovations with Environmental Benefits (IWEBs)

Research shows the importance of innovations with environmental benefits

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Good practices

Hell is other people

Researchers tend to overestimate their academic honesty, suggests study of more than 11,000 Swedish scientists and doctoral students

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Good practices

Cash reward for finding errors in influential articles

Over the next four years, a program based at the University of Bern, Switzerland, will pay experts to look for errors in over one hundred influential scientific articles. The more problems they find, the more money they will receive. Each will be paid a minimum of US$285 if they find nothing, rising to more than... View Article

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Good practices

Scientist who publishes more than one paper per week has had 20 retracted

Saudi pharmacist Nabil Alhakamy has published 219 scientific articles since 2020—an average of more than one per week. The quality of his academic work, however, is now under question: more than 20 of his articles have been retracted in recent years, mostly due to problems with images and figures. The most recent was a paper... View Article

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Communication

Brazilian researcher wins award for dance about kangaroos

Doctoral student’s music video sharing the results of his research in Australia won the international Dance Your Ph.D. competition

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PUBLIC POLICY

Report identifies 476 invasive species in Brazil

Invasive plant and animal species threaten biodiversity and cause damage

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Indicators

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

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Planning

Preparatory events gather suggestions for the National Conference on Science, Technology, and Innovation

Dozens of meetings held across Brazil bring together the scientific community and other sectors of society

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Interview

Luis Bahamondes: The paradoxes of women’s health

The specialist in methods of contraception warns about the importance of long-lasting forms of birth control for reducing the risk of unplanned pregnancy and abortion

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Cover

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

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