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Cuts to US science budgets threaten global climate research

Discontinuation of NASA and NOAA projects monitoring the atmosphere and oceans for decades poses a major risk

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Brazil’s carbon footprint determined by deforestation and agriculture

The two sectors account for 70% of the country’s greenhouse gases emissions

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Public health

Genome diversity could help SUS

Brazil’s national health system (SUS) could treat diseases more efficiently by making use of databases on ancestry and the wide variety embedded in Brazilian DNA

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Genomics

Brazilians are even more mixed-race than you think

New DNA sequencing of 2,723 people reveals greater Indigenous and African ancestry and highlights violence that marked the formation of the Brazilian population

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Genetics

How cancer cells reach the brain

Chemical communication allows tumors from other organs to spread among neurons

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Public health

Breast and cervical cancer mortality rising in Brazil

Increase is more pronounced among women under 40 years old

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Increase in school violence in Brazil over the last 10 years

Lack of policies to improve togetherness and the deteriorating educational infrastructure contribute to a rise in aggression at institutions across the country

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Hate speech provokes violence in schools

Emotional distress and increased access to firearms lead to extreme attacks at educational institutions

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The high energy demands of the cryptocurrency market

The digital currency industry’s electricity consumption is equivalent to that of an average European country

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How to make data centers more sustainable

Renewable energy sources and more efficient distribution of computing tasks could reduce the impacts of these facilities

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The environmental impacts of computing

The energy- and water-intensive sector is responsible for 1.7% of atmospheric carbon emissions; a new area of research has emerged to address the problem

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Distance learning on the rise in the private sector, representing the majority in teaching degrees

Rapid and disorganized expansion of distance-learning undergraduate courses in Brazil exposes the potential and weaknesses of the model

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Life immersed in microplastics

Microscopic particles, which have already been found in various organs and tissues of the human body, have now been identified in the brain

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Climate changes

Nature-based solutions can inspire climate change adaptations

Brazilian guide launched at COP29 highlights interventions that could increase the resilience of coastal cities

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Climate changes

Study finds 25 of Earth’s 35 vital signs are in critical condition

Records continue to be broken for parameters such as the planet's temperature, atmospheric CO2 concentration, and biodiversity loss

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Climate changes

The suffocation of Earth

Record greenhouse gas emissions result in unabated global warming

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Graphene hits the market

Two decades after it was first created, the unique two-dimensional nanomaterial is beginning to be incorporated into technological innovations on a commercial scale

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Public health

Proliferation of betting sites increases household spending and risk of gambling problems

Brazilians bet R$20 billion per month online and the demand for addiction treatment is rising

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Climate change

Bacteria in Amazon tree trunks are capable of absorbing methane

Study by international group indicates that the phenomenon occurs in non-flooded areas

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Climate

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

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Global Warming

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

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Climate change

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

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Most crimes committed by men over 60 involve sexual assault

Among elderly women, drug trafficking and fraud are the most common crimes

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Elderly population in Brazilian prisons has increased more than ninefold in 18 years

FIOCRUZ study examines the living conditions and health of elderly people in prisons in Rio de Janeiro

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Female prisoners have poorer health than the general population and are often abandoned by their families

Cases of hypertension, cancer, and cardiovascular disease are two to four times higher among female prisoners than in the general female population of the same age, while one-third of female prisoners never receive visits

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Brazilian prisons increase risk of illness and violent death

Prisoners are two to seven times more likely to contract infectious diseases than the general population and two to six times more likely to lose their lives to violence

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Travel itinerary

The Tumucumaque Mountains National Park (PNMT) is isolated from urban areas, leaving the forest unaltered by human activity

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The mysteries of giant Amazonian trees

In Amapá, the rainforest reaches heights unexpected of a neotropical zone and has yet to be explained

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The challenge of understanding what animals feel

Strategies created to measure pain and try to decipher animals’ emotions

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Care and empathy for animals

Researchers from various disciplines investigate ways to reduce pain and improve the quality of life for species used or consumed by humans

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