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Dengue fever increases the likelihood of symptomatic Covid, the study says
Publicado em 12 maio 2021
People who have had Dengue fever previously there is double the risk of developing symptoms of Covid-19 if they are infected with the coronavirus. The result is a study carried out by researchers from the ICB-USP (Institute of Biomedical Sciences at the University of São Paulo) that was recently published in the journal Clinical Infectious Diseases.
During the study, the group analyzed blood samples from 1,285 residents of the city of Mâncio Lima, Acre. 37% of these cases were [...]
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Most powerful electric eel EVER with an 860-VOLT shock is discovered in the Amazon rainforest - and it has the highest charge of any animal on earth
Publicado em 10 setembro 2019A newly discovered species of electric eel produces an 860 volt shock, the highest charge of any known animal in the world. The creature is one of two extra species of the fish identified by scientists, whoexamined 107 specimens from across the Amazon rainforest. The newly discovered eel delivers a zap more than 200 volts higher than ever previously recorded, butisunlikely to kill a human, according to experts. It was previously believed there was just one type of electric eel. The only [...]ver notícia -
Amoebae diversified at least 750 million years ago, far earlier than expected
Publicado em 28 fevereiro 2019Brazilian researchers have reconstructed the evolutionary history of amoebae and demonstrated that at the end of the Precambrian period, at least 750 million years ago, life on Earth was much more diverse than suggested by classic theory. The study, which was supported by São Paulo Research Foundation — FAPESP, revealed eight new ancestral lineages of Thecamoebae, the largest group in Amoebozoa. Thecamoebians are known as testates because of their hard outer carapace or [...]ver notícia