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Desde 1995: 2 notícias
Covid-19 affects brain tissue, memory, language: Study
Publicado em 16 outubro 2020
A Brazilian study released Thursday says Covid-19 can infect brain tissue and affect the structure of the cortex, a region of the brain responsible for functions such as memory, consciousness, and language.
It says coronavirus can affect astrocytes, the most abundant cells in the central nervous system, which perform functions such as providing support and nutrients for neurons and regulating the concentration of neurotransmitters and other substances, such as potassium.
"We demonstrated [...]
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Jolting discovery: Powerful new electric eel found
Publicado em 12 setembro 2019Researchers report two newly discovered species of electric eels in South America, one of which can deliver a bigger jolt than any other known animal. The researchers collected 107 eels in four countries and found differences in their DNA, along with minor physical variations. One species had the ability to generate 860 volts of electricity, more than the 650 volts discharged by the only previously identified type of electric eel. While 250 species of fish in South America generate [...]ver notícia