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Em 2024: 2 notícias
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Deforestation harms climate less than other types of Amazon degradation, study finds
Publicado em 05 agosto 2024
SAO PAULO, Aug 5 (Reuters) - Brazil's President Luiz Inacio Lula da Silva came into office in 2023 pledging to tackle deforestation in the Amazon and restore his country as a climate leader after years of intense destruction in the world's largest rainforest under predecessor Jair Bolsonaro.
Lula's commitment to end deforestation by 2030 is on track with tighter enforcement helping to cut deforestation rates by more than half, according to government figures. But a new study [...]
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Genome study reveals prehistoric Ethiopian origins of coffee
Publicado em 16 abril 2024Researchers now have unlocked the genome of the Arabica species and traced its origins to a natural mating between two other coffee species an estimated 610,000 to one million years ago in the forests of Ethiopia. That makes this species older than our own species Homo sapiens, which arose in Africa about 300,000 years ago. The researchers sequenced the genomes of 39 Arabica varieties, including a specimen from the 18th century, to create the highest quality genome to date of this species, [...]ver notícia -
Coronavirus can transform pancreas cell function; certain genes may protect an infected person’s spouse
Publicado em 29 setembro 2021(Reuters) – The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that have yet to be certified by peer review. Coronavirus transforms pancreas cell function When the coronavirus infects cells, it not only impairs their activity but can also change their function, new findings suggest. For example, when insulin-producing beta cells in the pancreas become infected with the virus, they not only [...]ver notícia