Printed

RETROSPECT

Brazil’s first roadways

Constructed using Scottish paving techniques from the mid-nineteenth century, early roadways were instrumental in promoting territorial integration

By

INTERVIEW

Maria Esther Maciel: In counterpoint to the mechanization of life

The acclaimed writer and researcher has completed a trilogy on the place of animals in contemporary society

By

HISTORY

New articles seek to expand the debate on LGBTI+ issues in Brazil

New approaches expand debate on LGBTI+ issues in Brazil

By

DEMOGRAPHY

Problems ahead for pensions and health

Aging population identified by the 2022 census highlights the need to reformulate public policies

By

ENVIRONMENT

Biochar can have benefits in agriculture

Prospective savings on fertilizers, increased productivity, and carbon sequestration encourage the use of fertilizer produced from agricultural waste

By

RENEWABLE ENERGY

The fate of solar panels at the end of their lifespan

Disposal and recycling of photovoltaic modules raises environmental challenges and opportunities with respect to the energy transition

By

PHARMACOLOGY

A potential vaccine against cocaine abuse

Vaccine stimulates the production of antibodies against cocaine in animal experiments

By

INTERVIEW

Elisabete Weiderpass: Waiting for a tsunami

Director of the WHO’s International Agency for Research on Cancer warns of an expected increase in cases in the coming decades

By

VIROLOGY

Mayaro virus causes swelling of the skin, muscles, and joints

In tests on rodents, the pathogen multiplied quickly and affected other organs

By

EPIDEMIOLOGY

Brazilian spotted fever not a threat

Combating the tick-borne disease requires an understanding of its underlying ecology and effective clinical diagnostics

By

Physiology

Maternal hormones affect brain areas that control hunger and satiety in the fetus

Studies suggest that metabolism can be programmed from gestation, leading to obesity and diabetes

By

GEOLOGY

The future landscape of the northeast and the coastline

There will be more high areas, since the sedimentary basins are rising especially in these regions

By

CLIMATE

El Niño has an 80% chance of being moderate to strong

Warming of surface waters in the Tropical Pacific changes rainfall and temperature patterns in Brazil and around the world

By

DATA

Decline in scientific output in 2022

Data show a decline in scientific output in São Paulo and Brazil as a whole in 2022

By

GOOD PRACTICES

The poison that is also an antidote

Artificial intelligence, which poses unprecedented challenges to scientific integrity, is also behind many of the tools used to defend it

By

GOOD PRACTICES

How retracted articles survived peer review

Article examines how papers retracted due to error or fraud managed to pass peer review

By

GOOD PRACTICES

Animal abuse at malaria research center

Agency stops funding malaria research center after mistreatment of monkeys

By

INTELLECTUAL PROPERTY

Obstacles to innovation

Knowledge about Zika and Chikungunya resulted in several patents, but few products within public reach

By

GENDER

Depictions of abusive behavior

The number of academic studies about the incidence and effects of bullying and sexual harassment in the country’s universities is growing

By

HUMAN RESOURCES

An olympic route to university admission

A growing number of institutions are extending undergraduate admissions to STEM olympiad winners, in an evolving trend

By

INTERVIEW

Celso Grebogi: The chaos tamer

Physicist from Curitiba creates strategies to intervene in complex systems such as the climate and ecological networks

By and

Cover

The era of whole genome sequencing

New techniques are changing the way genetic material is understood and promising to transform our understanding of diseases, human genetic diversity, food production, and evolutionary processes

By

Technology

India plans national research agency with US$6 billion budget

India planning to create a national funding agency to stimulate research at the country's universities, institutes, and laboratories

By

Astronomy

Why we see fewer stars at night

Increased artificial light in the night sky hinders astronomical observations, study says

By

Innovation

Lower X-ray doses

Material used in solar panels can detect smaller X-ray doses with better accuracy than existing medical equipment

By

Archaeology

Mayan city emerges from a forest in Mexico

Ancient Mayan city found in ecological reserve in southeastern Mexico

By

Chemical

Method distinguishes chemical identities of coffees

New technique identifies the origin of Brazilian canephora coffees from the states that produce the most

By

Sustainability

A hydrosolar megastation in China

World's largest combined hydro and solar power station begins operating in China

By

Health

The sensitive eyes of women

Women at higher risk than men of suffering ocular toxoplasmosis multiple times

By

Paleontology

Hollow bones promoted gigantism in dinosaurs

Fossil helps explain how dinosaurs became giants

By