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The rhythms of activity in all biological organisms, both plants and animals, are closely linked to the gravitational tides created by the orbital mechanics of the Sun-Earth-Moon system. This truth has been somewhat neglected by scientific research but is foregrounded in a study by Cristiano de Mello Gallep at the University of Campinas (UNICAMP) in the state of São Paulo, Brazil, and Daniel Robert at the University of Bristol in the United Kingdom. An article on the study is [...]

Analysis of data collected over 20 years suggests the decline is due to the construction of over 180 dams on the Paraná basin and its tributaries. Research conducted in Brazil for more than 20 years in the Paraná River basin shows a drastic fall in the number of aquatic insects in the region, which is considered well-preserved and distant from the negative impacts of agriculture, cattle breeding, and urbanization. The fieldwork was done by researchers affiliated with the State [...]

A review article published in the journal Frontiers in Physiology by researchers affiliated with the Federal University of São Paulo (UNIFESP) in Brazil discusses the mechanisms whereby SARS-CoV-2 damages the kidneys, potentially serving as a basis for further research in pursuit of treatments to prevent severe renal problems and even chronic kidney disease in COVID-19 patients. The study shows that interaction with angiotensin-converting enzyme 2 (ACE2) not only enables the virus to [...]

A review article published in the journal Frontiers in Physiology by researchers affiliated with the Federal University of São Paulo (UNIFESP) in Brazil discusses the mechanisms whereby SARS-CoV-2 damages the kidneys, potentially serving as a basis for further research in pursuit of treatments to prevent severe renal problems and even chronic kidney disease in COVID-19 patients. The study shows that interaction with angiotensin-converting enzyme 2 (ACE2) not only enables the virus to [...]

A study conducted at the University of São Paulo (USP) in Brazil, and reported in an article published in the journal Conservation Letters, shows that destruction of the Atlantic Rainforest increases in election years. The researchers correlated data from the Electoral High Court (TSE) and MapBiomas, the Brazilian Annual Land Use and Land Cover Mapping Project, for 2,253 municipalities in the southern and southeastern regions covering the period 1991-2014. They found [...]

Researchers at the University of São Paulo (USP) in Brazil have shown that a hypertonic saline solution inhibits replication of SARS-CoV-2, the virus that causes COVID-19, and have elucidated the biochemical mechanism involved. An article reporting the research is published in ACS Pharmacology & Translational Science. The study was performed in the laboratory using human epithelial lung cells infected with the virus. If the strategy proves effective in clinical trials, it [...]

Weak muscles and abdominal fat are a dangerous combination for older people who have difficulty walking. A study conducted by researchers at the Federal University of São Carlos (UFSCar) in the state of São Paulo, Brazil, in partnership with colleagues at University College London (UCL) in the UK, points to a significant loss of gait speed in older people with these two physical traits. A slower gait is a natural outcome of the aging process, but mobility problems can [...]

Weak muscles and abdominal fat are a dangerous combination for older people who have difficulty walking. A study conducted by researchers at the Federal University of São Carlos (UFSCar) in the state of São Paulo, Brazil, in partnership with colleagues at University College London (UCL) in the UK, points to a significant loss of gait speed in older people with these two physical traits. A slower gait is a natural outcome of the aging process, but mobility problems can result if [...]

A review of the scientific literature published by Brazilian researchers shows that pregnant women infected by the novel coronavirus run a higher risk of developing pre-eclampsia, a pregnancy complication characterized by persistent high blood pressure, usually in the second half of pregnancy or shortly after delivery. The disorder can cause serious harm to mother and baby. An article with the findings of the review is published in the journal Clinical Science. The authors analyzed a large set [...]