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Cui was not expected to survive and was kept alive for more than two months by an ECMO machine, which oxygenates and pumps a patient's blood.

Critics believe the FAA relied too heavily on Boeing engineers when certifying the MAX. But others say new technology quickly outpaces the ability of government regulators to evaluate it and therefore must rely on company experts.

Currently, businesses that produce plastic packaging are required to cover 10 percent of recycling costs, with the taxpayer and local authorities paying the rest. The London-based Environmental Investigation Agency, or EIA, is calling for businesses to take responsibility for the entire cost.

Cyclists in Tianjin wear masks on Friday, as dust hits the city. [Photo/Xinhua]

DAMO Academy, e-commerce giant Alibaba's in-house technology and science research arm, released its view on the top 10 technology trends for 2019 on Tuesday. It said artificial intelligence would continue to be the hottest sector with more comprehensive application expected.