Friday, October 19, 2018
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optical parametric oscillator

Experiment Obtains Entanglement of Six Light Waves with a Single Laser

Austrian physicist Erwin Schrödinger (1887-1961), one of the giants of contemporary science, considered “entanglement” the most interesting property in quantum mechanics. In his view,...
bees

Bees Coordinate Strategy for Defending Colony

The Brazilian stingless bee Tetragonisca angustula (jataí in Portuguese) deploys a different strategy for defending its nests from other social insect species. In addition to posting sentinels...
Ocean acidification

Ocean Acidification Set to Intensify in Coming Decades

Considered one of the phenomena that most affect marine organisms today, ocean acidification was not mentioned by the UN Intergovernmental Panel on Climate Change...
stress hormones

New Method Measures Stress Hormones in Blood Plasma

Patients exposed to chronic stress typically present with high blood levels of cortisol, a hormone that helps the body prepare for challenging situations, boosting...
antidepressants

Research Suggests Cannabidiol Can Reduce Symptoms of Depression

Commercial antidepressants typically take two to four weeks to have a significant effect on a depressed patient. They are also ineffective in many cases....
Tree Species

Tree Species Richness in Amazonian Wetlands Is Three Times Greater Than...

Throughout the alluvial plains of Amazonia, there are immense forests that are flooded for almost half the year. These Amazonian wetlands encompass a wide...
fibromyalgia

New Treatment Reduces Pain in Patients with Fibromyalgia

A new device that combines low-intensity laser light and therapeutic ultrasound considerably reduces the pain experienced by patients with fibromyalgia. A scientific study has shown...
Indigenous people

Indigenous People in the Amazon Are Frequently in Pain but Do...

The Sateré-Mawé indigenous people living deep in the Amazon have a coming-of-age ritual in which boys demonstrate willpower and courage by plunging one hand...
Schizophrenia

Dream Narratives Can Help Diagnose Schizophrenia

Schizophrenic patients may suffer from psychosis, a loss of contact with reality that causes delusions, hallucinations and incoherent speech, among other symptoms. However, it...
West Nile Virus

West Nile Virus Isolated for the First Time in Brazil

West Nile virus has arrived in Brazil. Researchers at Evandro Chagas Institute (IEC) in Belém, Pará State, have reported the first isolation of the...
Smart packaging

Smart Packaging Cuts Cost for Manufacturers

The packaging used to handle input traffic in a production chain is typically not reusable. This practice affects costs because it generates a large...
Sleep deprivation

Sleep Deprivation Boosts Effects of Drugs and Furthers Chemical Dependence

Sleep deprivation has become a worldwide epidemic. Research conducted in the United States shows that the number of adults who slept six hours or less rose...
Dengue Virus

Mechanism That Affects Multiplication of Dengue Virus Lineage Is Discovered

A lineage of type 1 dengue virus found in Brazil is able to prevail over another even though it multiplies less in vector mosquitoes...
Africanized honeybees

Substances Associated with Bee Ferocity Are Discovered

Brazilian researchers may have discovered why Africanized honeybees are so aggressive. The scientists detected higher levels of certain chemical substances in the brains of...
Prostate Cancer

Low-Protein Diet During Pregnancy Increases Prostate Cancer Risk in Offspring

The offspring of females fed a low-protein diet during pregnancy and lactation are significantly more likely to develop prostate cancer as they age. This is...
antimalarial drug

New Molecule Considered Promising Antimalarial Candidate

A novel laboratory-synthesized molecule is a strong candidate for the development of a new antimalarial drug. The possibility of a new drug offers hope...
genetic variation

Researchers Discover Genetic Variation That Hinders Weight Loss in Obese Adolescents

A gene alteration that hinders the process of weight loss has been identified in research conducted at Escola Paulista de Medicina (EPM), the medical...
chronic wounds

Substance Produced by Blowfly Maggots Can Heal Chronic Wounds

An ordinary wound heals fairly quickly. Simply put, the healing process involves three stages: inflammation, cell proliferation, and remodeling. Chronic wounds get stuck in...
sugarcane growth

Key Gene to Accelerate Sugarcane Growth Is Identified

Despite international breeding efforts, advanced agronomy and effective management of pests and diseases, sugarcane yields have been static for decades owing to constraints on...
Oropouche Virus

Study Shows How Oropouche Virus Replicates in Human Cells

The strategy used by the Oropouche virus to replicate in human cells has been described for the first time by researchers at the University...