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A study conducted at the Faculty of Medicine of the University of São Paulo (USP) in Brazil examined the influence of personality traits on the development and perpetuation of insomnia and found that there is a direct relationship between the two. Two findings caught the researchers’ attention: high levels of openness were associated with low levels of insomnia, while high levels of neuroticism (characterized by emotional instability) were very common in people with the sleep disorder. The [...]

In a significant development for the renewable energy sector, a new sustainable method has been discovered that produces high-purity material essential for green hydrogen production. This breakthrough could revolutionize the way we generate clean energy and combat climate change. The Importance of Green Hydrogen Green hydrogen, produced through the electrolysis of water using renewable energy sources, is considered a key component in the transition to a low-carbon economy. It has the [...]

Silver nanoparticles produced by the fungus Trichoderma reesei could become important allies in the prevention and treatment of COVID-19. Tests carried out on hamsters showed that they not only inhibited the infection but also reduced the viral load in the lungs, easing inflammation in the rodents. The study, supported by FAPESP, paves the way for the development of nasal sprays and other products to combat several viral diseases, such as HIV/AIDS, shingles and influenza. Silver [...]

A recent study analyzing data from nationally representative dietary surveys and mortality data from eight countries - Australia, Brazil, Canada, Chile, Colombia, Mexico, United Kingdom, and United States - has shed light on the concerning relationship between ultraprocessed foods (UPFs) and premature deaths. The findings reveal a significant increase in premature deaths attributable to the consumption of these foods, with the risk rising in correlation with the share of UPFs in [...]

An edible biofilm, obtained from agricultural and fishing waste and developed by researchers at the São Carlos Institute of Chemistry of the University of São Paulo (IQSC-USP) in Brazil, allows the shelf life of strawberries (Fragaria x ananassa Duch.) to be extended. In laboratory tests, the researchers found that over 12 days of refrigerated storage, the fruit coated with the film lost 11% weight and took between 6 and 8 days to start becoming contaminated with fungi, compared to 4 days [...]

The benefits of weight training are many: it promotes gains in strength and muscle mass, reduces body fat, and contributes to well-being and mental health. And now a study carried out at the State University of Campinas (UNICAMP), in the state of São Paulo, Brazil, has demonstrated another important effect: it protects the brains of older people against dementia. The results were published in the journal GeroScience. The study involved 44 people with mild cognitive impairment – an [...]

 In vitro tests indicate that cannabidiol can stimulate the biomineralization of teeth even under inflammatory conditions, thus promoting tissue repair. The research was conducted with the support of FAPESP at the Ribeirão Preto School of Dentistry of the University of São Paulo (FORP-USP) in Brazil. The results were published in the Journal of Dentistry.   In the experiment, cells from the dental pulp of mice were exposed to a cytokine called tumor necrosis factor alpha [...]

Human language, a defining characteristic of our species, has long been a subject of fascination and inquiry. Recent advancements in genomic research have shed new light on the origins of human language, suggesting that our unique capacity for language emerged at least 135,000 years ago. The question of when and how human language evolved has intrigued scientists for decades. A comprehensive survey of genomic evidence has provided compelling insights into the timeline of this remarkable [...]

Brazilian researchers have developed a simple test that almost instantly tells whether a person has been exposed to any of the four dengue virus serotypes, as well as zika virus. The test is an enzyme immunoassay similar to ELISA, a platform widely used in laboratory testing throughout Brazil. The technology can easily be adapted for use in automated systems and rapid point-of-care tests. The study was conducted at the University of São Paulo’s Biomedical Sciences Institute (ICB-USP) in [...]