Science

Neurosciences

Brazilian and French researchers identify a new possible biological cause for depression

Failure to recycle neuron components leads to signs of the disease in mice similar to those seen in humans

By

Archaeology

Pre-historic site may harbor the first araucaria pine record in rock art

Cave painting at a prehistoric site in the interior of Paraná would be the first record of the species in rock art

By

Ecology

The reason behind the megadiversity of fish in South America

Geological events of the last 55 million years have restructured hydrographic basins and contributed to the diversification of freshwater species

By

Biofuel

Natural compounds can increase ethanol production from sugarcane bagasse

Treatment applied to the crop makes it easier to capture energy stored in the plant's cellulose

By

Interview

Cid Bartolomeu de Araújo: The adventures of light

Physicist from Pernambuco explains phenomena that can be used to improve optical fibers, cell phones, new materials, and lasers

By

BIOLOGY

First expedition to the Imeri Mountains

Researchers have identified animals and plants isolated by the altitude, which may help explain relationships between species from high areas in the north of South America

By

ECOLOGY

Amphibian populations in the Atlantic Forest have declined over the last 130 years

The number of individuals of 106 species in the biome fell at some point between the end of the nineteenth century and the year 2020

By

IMMUNOLOGY

Butantan’s dengue vaccine is 80% effective

The vaccine offered protection against two serotypes of the virus in the final phase of human trials

By

IMMUNOLOGY

Construction begins on Brazil’s new National Vaccine Center in Belo Horizonte

The institution will function as a link between basic immunobiological research and final products

By

Astronomy

Gamma-ray bursts hint at the existence of a new type of neutron star

A study led by a Brazilian scientist suggests that these celestial objects last less than 1 second and have a 20% greater mass than observed

By

COVID-19

Nearly 60,000 people in China died of COVID-19 in one month

After weeks of no information, the Asian giant released more plausible data in January on the total number of deaths caused by the current outbreak

By

Astrophysics

Cluster of 58 galaxies discovered in the shadow of the Milky Way

The astrological structure is located about 2.2 billion light years from Earth in a region of space obscured by the center of our galaxy

By

Physics

Nuclear fusion experiment produces more energy than it consumes for the first time

The result achieved in the USA is a milestone, but there is still a long way to go to master the technology

By

Physics

There are about 90 nuclear fusion reactors operating worldwide

Three small experimental machines are located in Brazil

By

INTERVIEW

Mercedes Bustamante: Before the water runs out

Biologist from the University of Brasília warns that deforestation in the Cerrado also harms other regions

By

Physics

Dark matter could produce antimatter capable of crossing the Milky Way

Experiment carried out at the LHC particle accelerator indicates that half of the antiparticles generated in this way reach the vicinity of Earth

By

SPACE

Brazil and the USA launch SPORT satellite

Device will study plasma bubbles in the upper atmosphere that affect communications on Earth

By

Astrophysics

Data from James Webb Telescope used to reconstruct formation of planetary nebula

Images suggest the celestial object originated from an interaction involving at least four stars

By

INTERVIEW

Chi Van Dang: An optimistic view of oncology

Scientific director of the Ludwig Institute for Cancer Research talks about the challenges and perspectives of the field

By and

Infectious diseases

Antibody neutralizes Zika in preclinical trials

A superpotent immunoglobulin M antibody stopped the virus in animal tests

By

COVID-19

Strains of the Omicron variant lead to dramatic rise in COVID-19 cases at the end of 2022

Average weekly number of new infections increased 12-fold between November and mid-December, with 4.6 times as many deaths

By

CLIMATOLOGY

Global warming could reach 1.5 °C within nine years

Global warming will reach the threshold of 1.5 ºC in nine years if there is no change in CO2 emissions

By

INTERVIEW

Carmino Antonio de Souza: The ways of healthcare

UNICAMP hematologist helps develop a plan to resume production of essential drugs, an imperative created by the COVID-19 pandemic

By

Physics

Exotic phase of matter could be useful in the development of quantum computers

Magnetic compound in a state known as spin liquid appears to be more stable than previously thought

By

Science

Pig farming has the biggest environmental footprint

Study determines the pressure placed on natural resources by food production worldwide

By

AGRICULTURE

Increasing soy productivity is essential to curbing deforestation

Measures could prevent 5.7 million hectares of vegetation in the Amazon and Cerrado from being converted into cropland over the next 15 years

By and

Ecology

“Talking” turtles suggest acoustic communication arose more than 400 million years ago

The sending of messages by sound originated in a common ancestor of terrestrial vertebrates and fish with lungs

By

Archaeology

Neanderthals were highly carnivorous

They lived in family groups and ate almost exclusively meat

By

Health

The falling cost of DNA sequencing and our increasing ability to interpret data are bringing genetic testing closer to clinical practice

DNA analysis is already being used to diagnose rare diseases and guide cancer treatment

By

SCIENCE COMMUNICATION

Ig Nobel Prize for constipated scorpions

Satire of the biggest scientific award in the world selects the work of a pair from the University of São Paulo in the Biology category

By