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Em 2023: 1 notícias
Desde 1995: 36 notícias
Research explores how exercise preserves physical fitness during aging
Publicado em 06 janeiro 2023
Exercise may be the most powerful anti-aging intervention known to science and has been proven to protect against a wide array of diseases.
However, while physical activity can improve health during aging, its beneficial effects inevitably decline. The cellular mechanisms underlying the relationship between exercise, fitness, and aging remain poorly understood.
In a paper published in the Proceedings of the National Academy of Sciences, researchers at Joslin Diabetes Center investigated [...]
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New gadget identifies COVID-19 antibodies in five minutes
Publicado em 30 novembro 2022Rapid, low-cost, and accurate tests are still required for epidemiological surveillance and healthcare services to monitor and contain the spread of SARS-CoV-2. Brazilian researchers have contributed to this field’s efforts by creating an electrochemical immunosensor that identifies antibodies against the virus. The innovation is described in an article published in the journal ACS Biomaterials Science and Engineering. In search of a novel diagnostic method, the group opted for a [...]ver notícia -
New research adds to understanding of genetic factors that naturally protect people from COVID-19
Publicado em 22 novembro 2022Two recent papers by Brazilian researchers have added to the scientific understanding of the genetic factors that protect people from SARS-CoV-2 infection or prevent progression to severe Covid-19. The first describes the findings of a study involving a group of resilient older people aged 90 or more, while the second examines a case of severe Covid-19 in identical twins, only one of whom had long-term symptoms of the disease. Since 2020, researchers in several countries, including Brazil, [...]ver notícia -
Research suggests cultural heritage may influence capuchin monkeys' tool choices
Publicado em 18 novembro 2022Capuchin monkeys (Sapajus spp.) are among only a few primates that use tools in day-to-day activities. In the Cerrado and Caatinga, they use stones as hammers and anvils to crack open cashew nuts, seed pods of Hymenaea courbaril (West Indian locust; jatoba in Brazil) and other hard foods. In an article published in Scientific Reports, Brazilian researchers show that food hardness and tool size do not always correlate as closely as has been thought. In their study, the researchers observed [...]ver notícia -
Science News | Artificial Intelligence Aids in Predicting Sugarcane Field Performance: Study
Publicado em 20 outubro 2022Washington [US], October 20 (ANI): According to a Brazilian study published in Scientific Reports, artificial intelligence (AI) can be used to develop efficient models for the genomic selection of sugarcane and forage grass varieties and predict their field performance based on their DNA. In terms of accuracy compared with traditional breeding techniques, the methodology developed with support from FAPESP improved predictive power by more than 50%. This is the first time a highly efficient [...]ver notícia -
Protein restriction may be useful in reducing obesity, diabetes: Study
Publicado em 21 setembro 2022According to a study, reducing protein consumption can help regulate metabolic syndrome and some of its key symptoms, such as obesity, diabetes, and high blood pressure (hypertension). An article reporting the study is published in the journal Nutrients. Metabolic syndrome is a cluster of conditions that heighten the risk of cardiovascular disease, stroke and diabetes, including hypertension, high blood sugar, excess body fat around the waist and abnormal cholesterol levels. "The [...]ver notícia -
Researchers discover pyramidal neurons that gauge speed, location
Publicado em 15 setembro 2022Washington [US], September 15 (ANI): A group of researchers has made an important contribution to scientists’ understanding of the brain’s navigation system by identifying a subtype of these neurons that can gauge speed with great precision, more than a decade after the role of pyramidal neurons in mental representations of space and location was discovered. “In experiments involving animals, we demonstrated an association between the electrical activity of inhibitory [...]ver notícia -
Scientists discover new technique to convert methane gas into liquid methanol
Publicado em 03 agosto 2022According to new research, scientists have discovered a new technique of converting methane gas into methanol using light and dispersed transition metals such as copper. As per a study published in Chemical Communications, the reaction was the best obtained to date for the conversion of methane gas into liquid fuel under ambient conditions of temperature and pressure (25 C and 1 bar respectively). The term bar as a unit of pressure derives from the Greek word for weight (baros). One bar [...]ver notícia -
Study explains harmful effects of ultra-processed foods on adolescents
Publicado em 17 abril 2022Higher consumption of ultra-processed foods is strongly associated with an increased weight gain. Researchers at the University of Sao Paulo have calculated the impact of adolescents consuming ultra-processed foods on the risk of obesity. The findings of the study were published in the journal, 'Journal of the Academy of Nutrition and Dietetics'. There are 3,587 adolescents aged 12-19 who took part in the 2011-16 National Health and Nutrition Examination Survey (NHANES). They [...]ver notícia -
SARS-CoV-2 may remain active for longer than recommended quarantine period: Study
Publicado em 30 janeiro 2022SARS-CoV-2, the virus that causes COVID-19, can infect a person for more than 200 days in an atypical case, a recent study has detected. The study has been published in the 'Frontiers in Medicine Journal'. The atypical case of infection by SARS-CoV-2 was part of a study involving 38 Brazilian patients followed on a weekly basis between April and November 2020 by researchers affiliated with the Pasteur-USP Scientific Platform, a partnership between France's Pasteur Institute, [...]ver notícia