国际新闻
Brazil's Lula bans online gambling ahead of presidential election
Lula, who is currently in a tight presidential race against Flávio Bolsonaro, said the industry was a "cancer" that he must "remove".
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国际新闻
Lula bans fixed-odds sports betting a week before Brazilian elections
President’s ‘hard, drastic and necessary measure’, likely to attract widespread public support, polls suggest The Brazilian president, Luiz Inácio Lula da Silva, has signed an order banning fixed-odds sports betting just over a week before the first round of the presidential elec
World news | The Guardian ·
科学与环境
Blood pressure enzyme reveals second job: Making sulfur rings for cellular antioxidants
Antioxidants such as vitamins C and E protect cells by neutralizing free radicals, such as reactive oxygen species, before they can damage genetic material or cell membranes. Such damage can contribute to the development of neurodegenerative diseases. Antioxidants therefore help
Phys.org - latest science and technology news stories ·
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国际新闻
Lula or Bolsonaro as president? Brazil gears up to vote
Brazilians go to the polls on October 4. The front-runners are multilateralist incumbent Lula da Silva and former President Jair Bolsonaro's son, Flavio, who wants to bring Brazil closer to the US and away from China.
World | Deutsche Welle ·
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科学与环境
Scientists discover an “impossible” cellular survival pathway that could help fight cancer
Scientists discovered a surprising backup system that lets mammalian cells make the essential amino acid cysteine even when the pathways once considered indispensable are disabled. The same survival mechanism may help cancer cells resist treatment, raising the possibility that sh
All Top News -- ScienceDaily ·
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科学与环境
Scientists thought they knew how this 70-year-old leukemia drug worked
A 70-year-old leukemia drug is still revealing new secrets. Researchers found that removing a protein called NUDT5 protected cells from the drug, even though simply blocking the protein had little effect. The unexpected result points to a hidden cellular role that could help expl
All Top News -- ScienceDaily ·
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科学与环境
Stanford scientists discover the human brain may actually be two separate organs
Scientists have found that the human brain develops from two distinct cellular systems, suggesting that evolution fused together two ancient nervous systems with very different jobs. The discovery also allowed researchers to grow human hindbrain neurons in the lab, opening new po
All Top News -- ScienceDaily ·