Science

CLIMATE CHANGE

Global warming threatens main Atlantic Ocean current system

Ice loss in Greenland puts Atlantic Ocean currents at risk

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ASTROPHYSICS

Complex organic molecules found in the ice of nascent stars for the first time

Complex molecules associated to the origins of life identified in solid phase in two emerging stars

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PHYSICS

Quantum startup develops random-number generator used in lottery

Chilean company was founded based on a method developed by a physicist from Minas Gerais and his Polish colleague

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PLANNING

Quantum technologies need to attract more engineers

The topic was addressed at a thematic meeting held in Rio de Janeiro and São Paulo, a preparatory event for the 5th National Conference on Science, Technology, and Innovation

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ARCHAEOLOGY

Indigenous peoples made engravings alongside dinosaur footprints

Indigenous peoples carved marks next to dinosaur footprints in Paraíba

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EVOLUTION

Neighbors who lend their DNA

Plants are descendants of algae that acquired genes from fungi and bacteria, genes that became essential to the structure of plant cells

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Public health

Shorter treatment for malaria

New drug proves as effective at preventing recurrences as current medications with longer courses

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XENOTRANSPLANTATION

A team from USP is attempting to create genetically modified pigs to provide organs to humans

The animals will be raised in special facilities, such as one opened on the Cidade Universitária campus in April

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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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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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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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Cover

Global warming accelerates the water cycle and increases evapotranspiration

Excess atmospheric moisture can generate both heavy rainfall and prolonged droughts

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Cover

Brazil getting drier

Global warming makes the climate less humid, leading to emergence of the country’s first arid zone

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Astrophysics

Merging of neutron stars generates second-largest gamma-ray burst

Phenomenon produced rare earth metals in space

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Astrophysics

Concentrated energy

During its most recent period of maximum activity, the Sun emitted an unexpected escalation in high-energy gamma rays at its poles

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Computing

AI systems could monitor animals crossing highways

Study tested the performance of computer vision models

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Paleontology

Fossil lineage found in Rio Grande do Sul survived the world’s biggest extinction event

Predator lived 252 million years ago and had relatives in the region of present-day Eastern Europe, in what is now Russia

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Zoology

Wildcats from the Andes and Central America differ to those found in Brazil

Complex that includes Leopardus tigrinus and L. guttulus gains new species, L. pardinoides, all in danger of extinction

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Ethnobotany

Quilombola communities reveal the use of plants

Participatory research contributes to knowledge and university students develop cattail management plan

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Neurology

Study identifies rare form of Alzheimer’s acquired through treatment no longer used

Individuals were given a hormone extracted from cadavers, contaminated with protein fragments associated with the onset of the disease

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Immunology

Mechanism that keeps the immune response in check also aggravates malaria

The protozoan that causes the disease multiplies freely when certain immune cells are taken out of the fight

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Interview

2024 could become the year with the highest number of dengue cases

FAMERP virologist Maurício Nogueira discusses the characteristics of the current epidemic and the need for the health system to prepare for more patients

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