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Atomic Scale

Study Investigates the Phenomenon of Friction at the Atomic Scale

Friction is a ubiquitous phenomenon in everyday life. Among many other examples, we can walk only because of the friction between our feet or...
nanoparticles

Technique Permits the Monitoring of Magnetic Nanoparticles in Living Organisms

A new method for real-time monitoring of magnetic nanoparticles in organs such as the liver has been described by Brazilian researchers in the journal Nanomedicine:...
calories

Researchers Investigate How Caloric Restriction Benefits Cellular Functioning

Controlling consumption of calories day by day is a proven way to avoid not only obesity but also various age-related complications such as diabetes...
virus

New Virus Discovered in Migratory Bird in Rio Grande Do Sul,...

Researchers at the University of São Paulo’s Biomedical Science Institute (ICB-USP) in Brazil have discovered a new virus in a migratory bird species. This...
sugarcane

Study Clarifies Process of Sugarcane Genome Evolution

Brazil is the world’s largest producer of sugarcane, with more than 7 million hectares planted and an annual crop of 480 million metric tons,...
climate change

Sea Levels along the Brazilian Coast Are Expected to Rise in...

Sea levels along the Brazilian coast are expected to rise in the decades ahead. However, although more than 60% of the Brazilian population lives...
zika

Research Group Develops New Methodology to Diagnose Zika

Researchers at the University of São Paulo’s Medical School (FM-USP) in Brazil and Miami University in the United States have identified an antibody in...
Zika virus

Babies Exposed to Zika in a Brazilian City Did Not Have...

For about a year, researchers at the São José do Rio Preto Medical School (FAMERP) in São Paulo, Brazil, have been monitoring a group...
atmosphere

Study Reinforces the Amazon Forest’s Importance in Regulating Atmospheric Chemistry

Airborne measurements made as part of the Green Ocean Amazon experiment (GOAmazon) show that the Amazon rainforest emits at least three times more isoprene...
Uric Acid

Novel Mechanism of Uric Acid’s Inflammatory Action Described

Everything happens very quickly, in a matter of milliseconds. The chemical reactions between uric acid and enzymes in the bloodstream play a key role...
carbon dioxide

New Technology to Separate CO2 from Gas Mixtures

The search for new technologies to capture and store carbon dioxide (CO2) has intensified along with the growing concern to decrease the impact of...
Aquatic Plants

Research Points to a Strategy for Managing Aquatic Plants in Reservoirs

Excessive proliferation of aquatic plants is a serious problem in reservoirs. The plants grow uncontrollably and form an extensive barrier of biomass, which hinders...
Antibiotic

Nanoparticles Coated with Antibiotic Eliminate Drug-resistant Bacteria

A new strategy to combat antibiotic-resistant bacteria has been described by Brazilian researchers in Scientific Reports, an online journal owned by Springer Nature. The method...
rare syndrome

Cellular Mechanisms Underlying Rare Syndrome Discovered

The cellular and gene expression mechanisms that lead to malformation of the jawbone (or mandible), the most characteristic feature of Richieri-Costa Pereira syndrome, have...
anxiety

Deep Brain Stimulation Could Be an Alternative Treatment for Anxiety

Experiments with rats performed at the Federal University of São Paulo (UNIFESP) in Santos (on the coast of São Paulo State, Brazil) suggest that...
zika

Zika Impairs Migration of Neurons to Cerebral Cortex, Study Suggests

Recent studies have confirmed that congenital infection with the Zika virus, especially in the first trimester of pregnancy, can result in severe damage to...
Botulinum Toxin

Researchers Describe Action of Molecule That Is More Potent than Botulinum...

Crotoxin is a substance found in the venom of the South American rattlesnake (Crotalus durissus) and is a more potent muscle relaxant than botulinum...
proton collisions

LHC Detects Production of Large Quantities of Strange Particles in Proton...

In an article published on April 24 in Nature Physics, the ALICE (A Large Ion Collider Experiment) international collaboration reported an abundant production of...
leukemia

Tumor Cells Are Reprogrammed to Stimulate the Immune System to Combat...

Reprogramming tumor cells to make them produce a substance that stimulates the immune system to combat cancer is the strategy underlying a new treatment...
Transistor

Quantum Dot Transistor Simulates Functions of Neurons

A transistor that simulates some of the functions of neurons has been invented based on experiments and models developed by researchers at the Federal...