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发布时间: 2025-05-23 22:55:16北京青年报社官方账号
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After his telephone talks with IOC President Bach, PM Abe spoke to the press and explained that the two have agreed that the Tokyo Olympic Games would not be cancelled, and the games will be held by the summer of 2021. pic.twitter.com/ihe8To2g3R— PM's Office of Japan (@JPN_PMO) March 24, 2020 306

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Alaska's heat wave continued through Independence Day, and in Anchorage, the temperatures shattered an all-time record.The temperature at the airport was 90 degrees Thursday, besting June 14, 1969, for the highest mark ever recorded in the city, according to the National Weather Service.Across south Alaska, the mercury was expected to rise to record or near-record levels on the nation's 243rd birthday and continue at above-average levels through next week, the 477

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American Airlines now won't use its fleet of Boeing 737 Max planes any time this summer.The world's largest airline, which has 24 of the 737 Max jets in its fleet, said it is canceling about 115 flights a day through September 3 as a result of the grounding. It previously had canceled flights through August 19. The plane was grounded in mid-March after two fatal crashes, putting focus on a particular safety feature on the plane.American's canceled flights are the most extensive among US airlines. Southwest, which has 34 of the 737 Max jets in its fleet, has canceled flights only through August 5 at this time. United Airlines' cancellations also run into August.Not all of the American flights scheduled to be flown by the 737 Max will be canceled outright. Some will be flown with other aircraft. American is also canceling some flights scheduled to be flown by different aircraft, such as the original 737, to shift those resources to other flights.American said it is adjusting its schedules to affect the fewest number of passengers possible, and passengers whose flights are canceled will be able to rebook at no cost or get a full refund if they don't wish to take their trip.The 115 flights and 24 planes represent about 2% of American's overall operations. The airline operates about 6,800 flights a day during the busy summer travel season, including those flown for it by regional feeder airlines. Its mainline operations include a total of more than 900 aircraft.Late summer is one of the busiest times of the year for air travel, so the lost flights will hurt the airline — although Boeing is expecting to find ways to compensate airlines hurt by the Max grounding. It is seeking to win approval for a software fix that is designed to address the automatic safety feature that is the focus of the investigation into the two fatal crashes."American Airlines remains confident that impending software updates to the Boeing 737 MAX, along with the new training elements Boeing is developing ... will lead to recertification of the aircraft soon," American said in its statement. "We are pleased with the progress to date." 2150

  

A World Health Organization funded study published this week in the Lancet found that masks, physical distancing and eye protection offer substantial reduction in the spread of COVID-19. The study cautioned that even when used effectively and in combination, none of the interventions will completely prevent the spread of the virus. But the study’s authors offer some optimism the virus can be significantly slowed sans a vaccine. Keeping a distance of 1 meter in both healthcare and community settings reduced the risk of infection by 82 percent, according the research authored by a group of six infectious disease experts. Every additional meter of separation more than doubled the relative protection. “This evidence is important to support community physical distancing guidelines and shows risk reduction is feasible by physical distancing,” the study said. “Moreover, this finding can inform lifting of societal restrictions and safer ways of gathering in the community.”The study found that infectious droplets can travel up to 8 feet, and can stay in the air for hours. The use of masks and respirators with those infected with the virus reduced the risk of spreading the infection by 85%. The authors analyzed data that showed that N95 respirators in healthcare settings were up to 96% effective. Other masks were found to be 77% effective.Dr. Derek Chu from McMaster University, and co-author of the study, found that the most effective homemade masks should be ones that are water-resistant, have multiple layers, and are a good facial fit. The study also suggests that wearing eye protection resulted in a 78% reduction in infection; infection via the ocular route might occur by aerosol transmission or self-inoculation the study said. This point was one the researchers had less confidence in, and further data is needed to draw a conclusion. To read the full study, click 1901

  

An Alabama lawmaker has proposed a bill that would require a man to undergo a vasectomy after his 50th birthday or after the birth of his third child — a response to a bill passed by the Alabama legislature in 2019 that 232

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