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By 2050, up to 47% of the Amazon could collapse and disappear
Publicado em 15 de fevereiro de 2024
A new release from Nature analyzes potential thresholds that could push the Amazon rainforest to the point of no return. The study, which involved the Higher Scientific Research Council (CSIC), estimates that between 10 and 47% of the Amazon forest could change irreversibly and disappear by 2050. “The main goal was to assess how close or far we are from exceeding safe planetary limits relative to the largest contiguous tropical forest on Earth,” he explains. Encarni [...]
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The prehistoric sambaqui community in eastern South America displays its genetic diversity
Publicado em 01 agosto 2023Sambaqui communities (a word for ‘shell mounds’) were founded. about 8,000 to 1,000 years ago along a stretch of more than 3,000 kilometers on the east coast of South America. According to archaeological records, the sambaqui builders shared clear cultural similarities. However, contrary to what was expected, these groups of people possessed significant genetic differences. This is suggested by an international research group, led by the University of Tübingen and the [...]ver notícia -
The pandemic has altered the way time is perceived, according to a Brazilian study
Publicado em 28 abril 2022The covid-19 pandemic, which has already infected almost 510 million people and killed 6.2 million worldwide, altered the way people perceive the passage of timeBrazilian academic sources reported this Wednesday. This is stated in a study published in the journal Science Advances, which states that social isolation measures that were adopted in much of the planet in 2020, during the first months of the pandemic, changed the perception of the passing of the hours. The [...]ver notícia -
Un estudio documenta el caso de un hombre que dio positivo en COVID-19 durante 232 días
Publicado em 02 fevereiro 2022Investigadores del Instituto Pasteur (Francia), la Universidad de Sao Paulo y la Fundación Oswaldo Cruz (Brasil) han documentado el caso de un hombre de 38 años que siguió dando positivo en COVID-19 menos durante 232 días. "De los 38 casos que rastreamos, dos hombres y una mujer fueron atípicos en el sentido de que el virus se detectó continuamente en su organismo durante más de 70 días", explica Marielton dos Passos Cunha, [...]ver notícia -
A study documents the case of a man who tested positive for COVID-19 for 232 days
Publicado em 30 janeiro 2022Researchers from the Pasteur Institute (France), the University of Sao Paulo and the Oswaldo Cruz Foundation (Brazil) have documented the case of a 38-year-old man who continued to test positive for COVID-19 for at least 232 days. "Of the 38 cases we tracked, two men and one woman were atypical in that the virus was continuously detected in their body for more than 70 days.", explains Marielton dos Passos Cunha, first author of the article, which has been published in the [...]ver notícia