Search: 4243 news

Type 15 avian paramyxovirus probably does not pose a threat to humans or birds. Preliminary genetic analysis shows that it is closest to viruses found previously in South America.

Reviews of air quality data from the past 30 years show that the control of emissions from vehicles and factories is working and advocate the use of electric or hybrid buses.

An antibody that bonds specifically to Zika virus has been identified. Research findings were presented at the São Paulo School of Advanced Science in Arbovirology.

A group at a Brazilian university, partnering with engineers from Boeing, are using computer simulations to identify sources of noise produced by aircraft undercarriages.

However, a special report issued by the Brazilian Panel on Climate Change warns that no integrated studies of the vulnerability of coastal cities to sea level changes have been conducted in Brazil.

Immune response in people infected by Zika virus during 2016 epidemic was milder than suggested by previous studies using cultured cells and rodents.

Discovery published in PLOS Neglected Tropical Diseases reinforces evidence that A. aegypti was main vector involved in outbreaks of chikungunya seen in 2015 and 2016.

A research group monitored 55 women with a confirmed diagnosis of Zika during pregnancy. Some 28% of the babies were born with mild neurological alterations, but no cases of microcephaly were identified.

Airborne measurements made as part of the GOAmazon scientific campaign show that the Amazon rainforest emits three times more isoprene than was previously estimated.

Study shows compounds found in jackfruit seeds produce many of the aromas extracted from cocoa beans and can be used in the manufacturing of food products and cosmetics.

Inflammation caused by uric acid does not depend on high plasma levels of the substance or a mechanical lesion due to uric acid crystals, according to scientists.

A study of Fiji's coral reefs shows that the area of coral cover in marine protected areas is three times that in unprotected areas.

Article in Nature describing the analysis of 54 new whole genomes suggests that Zika virus arrived in Brazil in February 2014 and spread silently through the Americas for at least a year.

An article in Scientific Reports shows that silver-silica nanoparticles with an ampicillin coating are safe for human cells and lethal to antibiotic-resistant microorganisms.

A technique based on composite ceramic membranes promises to be more efficient than those currently available. The study was performed by scientists in Brazil and Portugal.

Society's racial hierarchies are reproduced in families and interact with feelings, researcher says.

Uncontrolled proliferation mainly results from the disposal of sewage in river basins. Findings have been published in book form available for free download.

Researchers at a Brazilian university observed a reduction in anxiety and panic after using this technique in experiments with rats.

Researchers at the University of São Paulo's Human Genome and Stem Cell Research Center have reconstructed the cellular process that causes Richieri-Costa Pereira syndrome.

In a computer simulation, introducing a mathematical term for plasticity led to changes in the topology of a neural network, such that different synchronization patterns coexisted among the neurons.

Men are more likely to use illicit drugs when drunk, while women risk alcohol overdose and sexual abuse, research shows.

Lines of research will include advanced energy storage and computational material science.

Researchers proposed this hypothesis at a Brazilian university on the basis of a review of articles published after the 2015 surge in cases of microcephaly in Brazil.

Found in rattlesnake venom, crotoxin can paralyze muscles for a long time and has anti-inflammatory, analgesic, anti-tumoral and immunomodulatory properties.

Findings published in the journal Phycologia suggest that the huge mass of Sargassum macroalgae found on beaches in northern Brazil in 2014 and 2015 did not come from the Caribbean, as previously thought.

Six new plant species were discovered, a jaguar was sighted not far from the municipality's southern edge, and species typical of the Cerrado are found more frequently.

Researchers investigate how climate variability and the extinction of bird species affect the genetic diversity and conservation of Euterpe edulis, the palm tree that symbolizes the Atlantic Rainforest.

A strategy for treating acute myeloid leukemia is being tested in humans. Preliminary results were presented to the Next Frontiers to Cure Cancer meeting.

Until now, the phenomenon had been observed only in collisions of heavy nuclei, resulting from the formation of quark-gluon plasma. A Brazilian researcher contributed decisively to this study.

Researchers in Brazil and the Netherlands have identified dozens of substances with the potential to prevent the growth of the bacterium that causes citrus canker.