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发布时间: 2025-05-30 11:34:11北京青年报社官方账号
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Scientists from all over the world recently returned home after the largest Arctic expedition to date.The Polarstern, a German ice breaker, housed hundreds of scientists who spent time over the past year to do research in the Arctic.“The MOSAiC Expedition is an expedition to the central Arctic. We took a ship, an icebreaker ship, and froze it in the arctic sea ice. It stayed there and drifted with that ice for a full year and that ship served as a platform for doing all kinds of research to understand the changing Arctic sea ice and the implications that has on the arctic system and global system,” Matthew Shupe, scientist and co-coordinator of the MOSAiC Expedition, said. He is also a professor at the University of Colorado Boulder.“MOSAiC really represents the largest expedition to the arctic ever,” he said. “MOSAiC is, I would say, very photogenic. It’s really compelling and captivating to all kinds of audiences.”But the data collected and changed observed during the rip serve a larger purpose than just beautiful, picturesque nature videos and photos.“The Arctic is changing. The sea ice is changing and we knew this,” Shupe said. “But when we went there the ice was thinner than we expected.”That change impacts a number of things. Shupe said as the Arctic changes, it’s opening for business. “It’s opening for cargo transportation, it’s opening for tourism.”It’s an indicator of larger changes as well.“Can potentially affect our weather, you can imagine the large scale circulation of our globe is dependent on things like a cold North Pole versus warm tropics and that affects the large scale circulation,” he said.The data these scientists collected over the span of a year will be used for global climate and weather prediction models.“These models rely on information, we have to understand the Earth's system in order to model it,” Shupe said.Hundreds of scientists from 37 different nations, all focusing on different projects, funded in part by U.S. tax dollars.“This is funded by the national science foundation, department of energy, NOAA, NASA, these are institutions that are funding this kind of research to understand arctic change and how it affects all of us," Shupe said.Next year, you’ll be able to experience the Arctic, too.“This planetarium film is an educational documentary about the MOSAiC Expedition,” said Lianna Nixon, a filmmaker, who spent a few months aboard Polarstern. She documented the expedition for a few months to bring the Arctic to everyone. “What we wanted to do was really express what kinds of science people were doing in the field and take that into your local planetarium.”The 30-minute film will be available at planetariums as soon as next year -- a 2D version will also be available.“The Arctic impacts all of us no matter where we live. The polar regions drive a lot of our global climate systems,” Nixon said.Expeditions to the Arctic have been happening for more than 100 years, but this new data collected by MOSAiC will be used in the science community for years to come.“MOSAiC is building on this history of expeditions to the Arctic,” Shupe said. 3131

  泉州工业吸尘器   

SEATTLE (AP) — A U.S. judge on Thursday blocked controversial Postal Service changes that have slowed mail nationwide. The judge called them “a politically motivated attack on the efficiency of the Postal Service” before the November election. READ THE FULL ORDERJudge Stanley Bastian in Yakima, Washington, said he was issuing a nationwide preliminary injunction as sought by 14 states that sued the Trump administration and the U.S. Postal Service. He said the changes created “a substantial possibility many voters will be disenfranchised.”The states challenged the Postal Service’s so-called “leave mail behind” policy, by which trucks have been leaving postal facilities on time whether or not there is more mail to load. They also sought to force the Postal Service to treat election mail as First Class mail.Meanwhile, Postmaster General Louis DeJoy Thursday held a call with the National Association of Secretaries of State (NASS) Election Committee. During the call he affirmed delivering ballots is his organization's top priority between now and Election Day. 1079

  泉州工业吸尘器   

SANTA ANA, Calif. (CNS) -- Orange County Jail inmates suing the county for a variety of issues related to their housing filed a motion Thursday demanding an improvement in their meals, a resumption of visits and access to religious services, all of which have been affected by the COVID-19 pandemic.Orange County Jail inmates recently conducted a short-lived hunger strike as they demanded a resumption of hot meals, which were restored for a short time at some jails."Presently, most prisoners except those in Theo Lacy, get soybean mystery meat (baloney) sandwiches for breakfast, lunch and dinner," the motion reads."This food is inedible and must be supplemented with snacks from the commissary. Those who cannot afford snacks go hungry."A GoFundMe campaign is raising money for inmates to buy snacks from the commissary, according to the motion.The litigation also alleges that inmates are receiving the wrong Jewish diets, including sandwiches during Passover when they are not allowed to eat bread.Visits from family have been suspended since March and the inmates demand that something to be done to provide some sort of visits that could be done under the state's social distancing guidelines.The litigation also complains of a restriction on religious visits or services.Inmate Kendall Cole, who has been in custody since 2016, said in a declaration said he used to receive Kosher meals, "but I am now served 'Halal' meals. That is a different religious diet. I am Jewish and need Kosher meals."Cole said he recently testified that jail guards gave him a weapon and was instructed to attack Joshua Waring, the son of a former "Real Housewives of Orange County" cast member, who recently was released from jail following a plea deal for attempted murder.Cole said he was sentenced to 15 days "in the hole" in connection with the attack and that legal materials he received through the law library were "confiscated" along with his "religious head covering (Kippah) and my Jewish calendar."Cole said he was "housed with Joshua Waring when the guards shot a pepper ball into our room. This caused choking and tearing to the dozen or so prisoners even though we were in our housing units. The guards threatened us and told us not to say anything to the investigators. We did not say anything because we feared these threats. We all know of the subsequent attacks on Joshua Waring."Waring is a plaintiff in the litigation.The Orange County Sheriff's Department issued this statement regarding the allegations:"Since COVID-19 was declared a pandemic, the sheriff's department has worked closely with the Board of State and Community Corrections and the Orange County Health Care Agency to meet all health and safety guidelines for inmates and staff, as required by law. This includes meeting the nutritional needs of every inmate in our care. Protecting individuals in our custody and personnel assigned to our jail facilities during this unprecedented time remains a top priority for the sheriff's department." 3023

  

SANTA ANA, Calif. (AP) -- A surfer was found dead face down in the water at Upper Trestles at San Onofre State Beach in San Diego County.The Orange County Register reports South Sector Superintendent for State Parks Rich Haydon says the man, described as middle age, was seen struggling Saturday as he paddled out into the surf at the break just south of San Clemente's border.It's unclear if the man was struggling because of the surf conditions or because of health issues.Nearby surfers then noticed the man face down in the water.Camp Pendleton Fire Department responded and continued attempting CPR before declaring the man dead at the scene.The San Diego County Medical Examiner had not released the man's name as of Monday morning. 746

  

SAN MARCOS, Calif. (KGTV) - Months after the massive Equifax data breach, a North County couple got some heart-dropping news from the Internal Revenue Service (IRS).    Jennifer, who asked 10News not to identify her full name, says her accountant was just about to e-file her taxes when she got the letter from the IRS."It said we needed to verify that we filed, and if we had not filed, we had to call them immediately to tell them we hadn't filed," said Jennifer.RELATED: Equifax finds additional 2.4 million impacted by 2017 breachIn short, someone had already filed in her name, raising the suspicions of IRS employees.    "You feel violated. It's scary," said Jennifer.Jennifer spent an hour on the phone with IRS caseworkers, who told her the red flags were immediate."The numbers for the deductions were off, but also the final number on the refund, which must have been way off," said Jennifer.RELATED: San Diego City Attorney announces lawsuit against Experian over massive data breachThe fraudulent tax filing comes almost seven months after the wide-ranging breach at the credit reporting company Equifax."We immediately and proactively froze our credit and then got letters saying both me and my husband had both been compromised," said Jennifer.While they have credit monitoring and froze their credit, that doesn't protect them from fraud, which is a form of identity theft. Jennifer's accountant told her she wasn't the only one getting these letters from the IRS.RELATED: It's tax scam season. Here's when to call shenanigans"He's seeing a huge uptick in these letters, this year," said Jennifer.Jennifer says her fraud was caught early enough that everything can be cleared up within two months. Now she's bracing for what's next."You're so vulnerable and your information is out there," said Jennifer.According to the Identity Theft Resource Center, the best way to protect yourself is to file your returns as early as possible. If you're mailing returns, mail them directly from the post office. And if filing electronically, use a secure network."Tax time presents a perfect storm for scammers, from tax identity theft to imposter scams, consumers must stay vigilant and prepared. Remember to go to the source of truth when you are contacted by anyone purporting to be from the IRS or other government entity," said Eva Velasquez, President of the Identity Theft Resource Center. 2462

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