Science

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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Physics

Mysterious water phenomenon can also be produced in quantum systems

Mpemba effect causes hot liquids to freeze faster than cold ones

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Astrophysics

Asteroid set to pass close to Earth in 2029 could create a meteor shower on the Moon 100 years later

Proximity to Earth could cause debris surrounding the asteroid to be pulled away by the planet’s gravitational field

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Climate change

Carbon emissions from wildfires increased by 60% between 2001 and 2023

The rise was mainly caused by fires in temperate and boreal regions, such as Canada

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Global Warming

The Amazon is not uniformly affected by drought

The Amazon is not uniformly affected by drought

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Oceanography

Threat to Brazilian coral puts fish at risk

Despite being resistant to environmental changes, species are being eliminated

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Paleontology

When and where were the first animals in South America?

Western Mato Grosso do Sul, eastern Santa Catarina, and northern Minas Gerais were home to complex organisms between 575 million and 530 million years ago

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Evolution

The eardrum may have saved reptiles from mass extinction

The tympanic membrane in the inner ear emerged in a common ancestor of lizards, crocodiles, alligators, snakes, turtles, and birds 250 million years ago

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Physiology

Neurotransmitter with dual function protects against obesity

Molecule known to act on the brain, stimulating appetite and weight gain, has the opposite effect when secreted by peripheral nerves, helping to burn fat

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Public Health

Trans women continue to suffer from poor health and prejudice

Study with 1,317 participants in five state capitals finds persistently high rates of sexually transmitted infections (STIs) and obstacles that limit access to health services

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Nobel Prize

2024 Nobel Prize honors researchers in the field of artificial intelligence

The physics and chemistry prizes were awarded to scientists who created computational tools

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Interview

Antoinette WinklerPrins: From the Amazon to research funding

Deputy division director of the US National Science Foundation was in São Paulo to discuss potential collaborations with Brazilians

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Archaeology

Corn arrived in Brazil via the western Amazon and was domesticated over the course of several waves of migration

Study reveals that primitive characteristics of the species still exist, despite long-term human intervention and cultivation in a diverse range of environments

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Ecology

New map reveals diversity of the Caatinga biome

New map reveals diversity of the Caatinga biome

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Immunology

Butantan Institute stops development of ButanVac

The COVID-19 vaccine candidate’s ability to generate immunity was inferior to the Pfizer vaccine

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Cryogenics

High cost and disruptions in helium supply make it difficult to carry out research at temperatures close to absolute zero

The liquefied from of the noble gas is used to cool magnetic resonance imaging machines, particle accelerators, and quantum computers

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Physics

Brazilians participate in the largest international experiment studying neutrinos

Scientists created a method of purifying liquid argon for the experiment

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Pesquisa FAPESP 25 years

Teachers use articles from the magazine to discuss science in class

Classroom activities using content from Pesquisa FAPESP have also inspired research

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Interview

Milton Thiago de Mello: Sharp memories of a centenarian

At 108, the veterinarian revisits his military and research career and discusses his contribution towards combating brucellosis and training primatologists

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Pesquisa FAPESP 25 years

Research topics that have stood out since the magazine was launched in 1999

A diverse range of topics, from climate change and exoplanets to ultra-processed foods, have influenced the direction of science and technology over the past two and a half decades

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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

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Paleontology

Fossilized feces contain traces of parasites that can still infect animals

Fossilized feces contain traces of parasites that can still infect animals

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Veterinary Science

Bird flu can be transmitted between mammals

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

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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

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Medicine

Aggressive variant of the Oropouche virus circulating in Brazil

New strain multiplies rapidly and could facilitate transmission

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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

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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

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Interview

Adalberto Val: A fascination for the fish of the Amazon

The biologist from São Paulo discovered the adaptation mechanisms of the region's species to variations in oxygen and temperature in the rivers

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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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