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Em 2021: 2 notícias
Desde 1995: 2 notícias
Over 80% of Atlantic Rainforest remnants have been impacted by human activity
Publicado em 25 fevereiro 2021
A Brazilian study published in Nature Communications shows that human activities have directly or indirectly caused biodiversity and biomass losses in over 80% of the remaining Atlantic Rainforest fragments.
According to the authors, in terms of carbon storage, the biomass erosion corresponds to the destruction of 70,000 square kilometers (km²) of forest —almost 10 million soccer pitches—or USD 2.3 billion-USD 2.6 billion in carbon credits. “These figures have direct [...]
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Melatonin Produced in the Lungs Prevents COVID-19 Infection
Publicado em 29 janeiro 2021The hormone acts as a barrier against SARS-CoV-2, blocking the expression of genes that encode proteins in cells serving as viral entry points, according to a study by researchers at the University of São Paulo. Melatonin synthesized in the lungs acts as a barrier against SARS-CoV-2, preventing expression of genes that encode proteins in cells such as resident macrophages in the nose and pulmonary alveoli, and epithelial cells lining the alveoli, all of which are entry points for the [...]ver notícia