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Scientists create chimeric monkey with two sets of DNA
  + stars: | 2023-11-09 | by ( Katie Hunt | ) edition.cnn.com   time to read: +7 min
CNN —Scientists based in China have created a monkey chimera with two sets of DNA, experimental work they say could ultimately benefit medical research and the conservation of endangered species. It’s the world’s first live birth of a primate chimera created with stem cells, the researchers said. Scientists have created mouse embryos that are part human, and in 2021, scientists reported that they had grown human-monkey chimeric embryos. In September, researchers reported that they had grown kidneys containing mostly human cells inside pig embryos. Then they selected a subset of cells to inject into genetically distinct 4- to 5-day-old embryos from the same monkey species.
Persons: , , Miguel Esteban, chimeras, Zhen Liu, Liu, Jun Wu, hadn’t, Wu wasn’t, Jacob Hanna, ” Hanna, Penny Hawkins, Organizations: CNN —, Cell, Guangzhou Institute of Biomedicine, Chinese Academy of Sciences, Research, University of Texas Southwestern Medical Center, Weizmann Institute of Science, Royal Society for, National Academies of Sciences, Engineering, Medicine, Covid Locations: China, Health, Research Hangzhou, Israel, United States
A new analysis published this week suggests that extreme weather linked to climate change might be much harder on native species than on nonnative ones. As the planet warms, extreme weather events — heat waves, cold snaps, droughts and floods — are becoming more common and destructive. The new paper, published on Monday in the journal Nature Ecology & Evolution by a team from the Chinese Academy of Sciences, suggests that these sudden, violent changes in conditions could be helping to fundamentally reshape ecosystems. In a statement, the team said that research on the impacts of extreme weather on ecosystems, while still in its early stages, was “critically important” to our ability to understand the effects of global warming on biodiversity. The researchers, led by Xuan Liu, an ecologist at the Academy of Sciences, analyzed 443 studies that examined the responses of 1,852 native and 187 nonnative species — from land, freshwater and marine habitats — to extreme weather.
Persons: Xuan Liu Organizations: Chinese Academy of Sciences, Academy of Sciences
This alien planet, Theia, was thought to have completely disappeared in the collision. AdvertisementAdvertisementAs well as shedding new light on the inner workings of our planet, scientists hope they will one day have access to these slabs of alien rock to reveal, once and for all, how our moon formed. The assumption has long been that Theia melded into moon, the Earth's mantle, and its core, in effect disappearing completely. Previous theories have suggested this core-mantle boundary could be made up of bits of ancient ocean floors. The problem is that the core-mantle boundary is very far from the surface — about 1,800 miles.
Persons: Theia, Vincent Eke, Jacob A, haven't, Edward Garnero, Li, Hongping Deng, Everest, Deng, Christian Schroeder Organizations: Service, Arizona State University, Chinese Academy of Sciences, Durham University, University of Stirling Locations: Theia, Iceland, Samoa
By Will DunhamWASHINGTON (Reuters) - Seismologists have recognized since the 1970s that two mysterious continent-sized blobs reside in the deepest part of Earth's mantle, one under Africa and the other under the South Pacific region. Based on these simulations, they proposed that most of Theia was absorbed into Earth, forming the blobs, while residual debris formed the moon. If the study's conclusions are correct, these blobs would represent the first direct evidence of the hypothesized moon-forming collision. "It is incredible because we can uncover relics of another planet - Theia - if we dig deep enough in Earth's mantle," added planetary scientist and study co-author Hongping Deng of the Chinese Academy of Sciences' Shanghai Astronomical Observatory. Asimow said that if their conclusions are correct some volcanic rocks that reach Earth's surface may provide samples of a vanished planet.
Persons: Will Dunham WASHINGTON, Qian Yuan, Paul Asimow, Hongping Deng, Yuan, Asimow, Will Dunham, Rosalba O'Brien Organizations: Caltech, Chinese Academy of Sciences Locations: Africa, South Pacific, Theia, Shanghai
REUTERS/NASA/Handout/File Photo Acquire Licensing RightsWASHINGTON, Nov 1 (Reuters) - Seismologists have recognized since the 1970s that two mysterious continent-sized blobs reside in the deepest part of Earth's mantle, one under Africa and the other under the South Pacific region. Based on these simulations, they proposed that most of Theia was absorbed into Earth, forming the blobs, while residual debris formed the moon. If the study's conclusions are correct, these blobs would represent the first direct evidence of the hypothesized moon-forming collision. "It is incredible because we can uncover relics of another planet - Theia - if we dig deep enough in Earth's mantle," added planetary scientist and study co-author Hongping Deng of the Chinese Academy of Sciences' Shanghai Astronomical Observatory. Asimow said that if their conclusions are correct some volcanic rocks that reach Earth's surface may provide samples of a vanished planet.
Persons: Qian Yuan, Paul Asimow, Hongping Deng, Yuan, Asimow, Will Dunham, Rosalba O'Brien Organizations: NASA, REUTERS, Rights, Caltech, Chinese Academy of Sciences, Thomson Locations: Africa, South Pacific, Theia, Shanghai
REUTERS/Dado Ruvic/Illustration/File Photo Acquire Licensing RightsBEIJING/SHANGHAI, Oct 30 (Reuters) - China will send Wu Zhaohui, a Vice Minister of Science and Technology, to a global summit on artificial intelligence this week in Britain, two sources familiar with the matter said. Former Prime Minister Tony Blair visited Beijing earlier this month and met Chinese Foreign Minister Wang Yi, as Beijing seeks to boost ties with the Labour party ahead of a general election likely next year. China's science ministry and foreign ministry, as well as the Chinese Academy of Sciences, did not respond immediately to faxed requests for comment. Wu was appointed to his role in the science ministry in December 2022. Like many countries around the world, China has been caught up in a global craze over generative AI following the popularity of OpenAI's ChatGPT last year.
Persons: Dado Ruvic, Wu Zhaohui, James, Boris Johnson, Tony Blair, Wang Yi, Wu, Xi Jinping, OpenAI's ChatGPT, Laurie Chen, Brenda Goh, Miral Organizations: REUTERS, Rights, Science, Technology, Labour, Chinese Academy of Sciences, HK, Foreign, Commonwealth, Development, Thomson Locations: Rights BEIJING, SHANGHAI, China, Britain, Beijing, British, London, Hong Kong, United States, Shanghai
China spent 1.4 trillion yuan ($191 billion) replacing foreign hardware and software in 2022, marking a year-on-year increase of 16.2%, according to IT research firm First New Voice. Two firms awarded the Harbin tenders were subsidiaries of China Electronics Corporation and China Electronics Technology Group Corporation - both heavily targeted by U.S. sanctions. The U.S. Department of Commerce, China Electronics Corporation and China Electronics Technology Group Corporation did not return requests for comment. Despite heavy spending on domestic substitution, however, foreign firms are still dominant suppliers for banking and telecoms database management. Non-Chinese companies held 90% of market share for banking database systems at the end of 2022, according to EqualOcean, a tech consultancy.
Persons: Tyrone Siu, Kendra Schaefer, Mo Jianlei, Eric Zheng, Brenda Goh, Katerina Ang Organizations: REUTERS, Companies Beijing, Reuters, New, Trivium China, Liberation Army, Tech, Chinese Academy of Sciences, BMC, U.S, Cyberspace Security, China Telecommunications Corporation, Qualcomm, U.S . Treasury, Google, Apple, China Electronics Corporation, China Electronics Technology Group Corporation, Microsoft, Adobe, China Tobacco, Microsoft Windows, Chinese Academy of Engineering, European Union Chamber of Commerce, of Commerce, Shanghai, U.S . Department of Commerce, HUAWEI, Huawei, IDC, Financial, Lenovo, HK, Beijing, Thomson Locations: Dongguan, Guangdong province, China, BEIJING, Washington, State, Beijing, Gansu province, Harbin, Xiamen, U.S, American, Shanghai
He said the estimate is extreme, but said even China's 1.4 billion people can't fill all of them. "How many vacant homes are there now?" The most extreme believe the number of vacant homes are now enough for 3 billion people. But China has yet to publish an official estimate on the total floor space of its empty homes. Government statistics from August say the total area of all unsold homes in China is around 7 billion square feet, per Reuters.
Persons: that's, it's Organizations: Service, China, National Bureau of Statistics, Government, Reuters, Strategic Research Institute, Chinese Academy of personnel Management Locations: China, Wall, Silicon, Western Europe, Beijing, Dongguan
The 150-million-year-old dinosaur is likely a very early bird ancestor, as old as the Archeopterix. This suggests bird's long legs may have evolved much early than thought. The dinosaur, named Fujianvenator prodigiosus, is thought to be as old the Archaeopteryx, which many consider to be the first bird. AdvertisementAdvertisement"I would put my money on runner," Wang told Reuters. There is still a 30 million-year-long gap in the fossil record between Archeopteryx and Fujianvenator and the next bird fossil on record, which appears in the Cretaceous, the study authors said in a press release.
Persons: Fujianvenator, Min Wang, Wang, Rex, prodigiosus, WANG Min Still, WANG Min, Hailu, Mark Loewen Organizations: Service, Chinese Academy of Sciences, Reuters, Nature, University of Utah Locations: Wall, Silicon, Nanping, Fujian, Beijing, Salt Lake City
CNN —Scientists have grown kidneys containing mostly human cells inside pig embryos, an important step toward growing kidneys and potentially other human organs that could be used for transplants in people. “The paper describes pioneering steps in a new approach to organ bioengineering using pigs as incubators for growing and cultivating human organs,” said Dusko Ilic, a professor of stem cell sciences at King’s College London, in a statement. “It is remarkable to see about 60% of the primordial pig kidney contained human cells,” Wu said. What the researchers didTo generate kidneys mostly composed of human cells in pigs, the scientists used cutting-edge techniques harnessing advances in stem cells, gene editing and embryology. “This (new) work is different from existing xenotransplantation approach and aims to generate organs mostly composed of human cells in pigs,” Wu said.
Persons: , Miguel Esteban, ” Esteban, , Dusko Ilic, Jun Wu, Wu, ” Mary Garry, ” Wu, Esteban, ” Joseph A, Vassalotti, ” Vassalotti Organizations: CNN —, Guangzhou Institute of Biomedicine, Chinese Academy of Sciences, Procurement, Transplantation Network, King’s College London, University of Texas Southwestern Medical Center, University of Minnesota’s, Heart Institute, National Kidney Foundation, Icahn School of Medicine Locations: Health, United States, Mount Sinai
A life reconstruction of the bird-like dinosaur Fujianvenator prodigiosus, which lived 148 million to 150 million years ago in China, is seen in this illustration. Asked for a word to describe Fujianvenator, Wang replied, "I would say 'bizarre.' Fujianvenator is a member of a grouping called avialans that includes all birds and their closest non-avian dinosaur relatives, Wang said. "The forelimb is generally built like a bird's wing, but with three claws on the fingers, which are absent from modern birds. There is still a big gap between the oldest known bird and the second-oldest known birds," Zhou said.
Persons: Chuang Zhao, Handout, Fujianvenator, Min Wang, Wang, Zhonghe Zhou, Zhou, Will Dunham, Daniel Wallis Organizations: REUTERS Acquire, Vertebrate Paleontology, Chinese Academy of Sciences, Thomson Locations: China, Fujian Province, Germany, Fujianvenator, Washington
FRANKFURT, Aug 28 (Reuters) - Bayer (BAYGn.DE) said an experimental stem cell therapy developed by its U.S. subsidiary BlueRock had shown signs of easing Parkinson’s disease symptoms in an early 12-patient trial. The German drugmaker announced the trial had succeeded in a brief summary in June, saying it was a first for a stem-cell Parkinson's therapy, but held back details for a medical conference. The five participants on a lower dose experienced 0.72 hours longer per day with well-controlled symptoms on average and the time of worsening symptoms was 0.75 hours shorter per day for them. For BlueRock's experimental therapy, the researchers took human pluripotent embryonic stem cells and transformed them into dopamine-producing nerve cells. Parkinson's, for which there is no cure and which affects more than 10 million people worldwide, causes progressive brain damage.
Persons: BlueRock, Christian Rommel, Bayer's, Britain's, Ludwig Burger, Susan Fenton Organizations: FRANKFURT, Bayer, U.S, drugmaker, International Congress, Cambridge University, South Korea's, CHA Hospital, Cyto Therapeutics, Chinese Academy of Sciences, Harvard University, Japan's Kyoto University Hospital, Thomson Locations: Copenhagen, Denmark, Australia, United States
Xinhua/Shutterstock‘Absolutely safe’As heavy rains moved toward the region in late July, China’s top flood control officials met to hash out their response plan. The flood was caused by flood water discharge, not by heavy rainfall.”CNN has reached out to the Zhuozhou and Bazhou governments for comment. Rescuers use rubber boats to transfer Zhuozhou residents trapped by flood waters after days of downpours brought by Typhoon Doksuri on August 2. In the recent rains, at least three upstream reservoirs released flood waters into rivers flowing into Baiyingdian from the west and the south, according to state media. Many countries have systems that involve discharging pent up flood waters into otherwise dry land after major storms.
Persons: Xi Jinping, Xi’s, , It’s, Xiong’an, Jade Gao, Ni Yuefeng, downpours, Typhoon Doksuri, Zhai Jujia, Li Guoying, Hongzhang Xu, Xiao, Li Na, Zhu Xudong, it’s, Xiong’an –, Xu, Baiyangdian Lake, Kevin Frayer, , Meili Feng, Simon Song, Deng Xiaoping, Jiang Zemin, Xu Kuangdi, Yi Haifei, Andrew Stokols Organizations: CNN, Xinhua, Getty, Censors, China News Service, China’s, Water, Australian National University, Authorities, China’s Ministry of Water Resources, Hebei Provincial Department of Water Resources, Geographical Sciences, University of Nottingham, Shanghai’s Pudong New, Chinese Academy of Sciences, Urban Computing Center Locations: Beijing, China, Hebei, Xiong’an’s, Xiong'an, Zhuozhou, AFP, Bazhou, Xiong’an, Tianjin, , Xinhua, Baiyingdian, Baiyangdian, Mississippi, University of Nottingham Ningbo, , Hebei province, Shenzhen, Shanghai’s Pudong, Shanghai
"The situation is already very bad for dollar-based funds to invest in China's tech sector. There isn't much room for things to get worse," said Beijing-based China Growth Capital partner Wayne Shiong. Biden's move will likely make China-focussed venture capital firms feel more urgency to raise yuan funds from Chinese investors, he said. In response to Biden's executive order, China's commerce ministry said it was "gravely concerned" and reserved the right to take countermeasures. But the executive order is barely going to do anything, and China escalating would risk turning a molehill into a mountain."
Persons: Florence Lo, Joe Biden's, Donald Trump, Weiheng Chen, Wilson Sonsini, Biden, Chen, Wayne Shiong, Biden's, Yuan, Pan, Trump, Derek Scissors, Kane Wu, Michael Martina, Roxanne Liu, Ziyi Tang, Yantoultra, Sumeet Chatterjee, William Mallard Organizations: REUTERS, U.S, Reuters Graphics Reuters, China Growth Capital, Chinese Academy of Social Sciences, TECH, Hua Hong Semiconductor, Analysts, American Enterprise Institute, Thomson Locations: China, U.S, HONG KONG, WASHINGTON, Beijing, Washington, Shanghai, Hong Kong, Singapore, Bengaluru
An ancient skull found in China is like nothing scientists have ever seen. If it is an undiscovered human ancestor, it could rewrite the story of human evolution. The skull has facial features that are similar to early modern humans, which scientists think began to branch away from Homo erectus between 750,000 to 550,000 years ago. Human history is messier than we thoughtThis isn't the first time human remains have shaken up the neat evolutionary path that is thought to have led to humans. Findings of archaic human remains in Israel and Greece over the past few years dating back about 200,000 years also suggested human ancestors may have left Africa a lot earlier than previously thought.
Persons: Xiujie Wu, Maayan Harel, sapiens, Will Oliver Organizations: Service, Science, Chinese Academy of Sciences Locations: China, Wall, Silicon, Hualongdong, East China, East, East Asia, Saharan Africa, Morocco, Israel, Greece, Africa, London, Britain
Hong Kong CNN —Nvidia warned Wednesday that if the United States imposes new restrictions on the export of AI chips to China, it would result in a “permanent loss of opportunities” for US industry. The rules, as reported, could make it harder for companies like Nvidia (NVDA) to sell advanced chips to China. Fueled by a boom in demand for its AI chips, the company briefly hit a market capitalization of $1 trillion in late May. We do not anticipate any immediate material impact on our financial results,” Kress added. Chinese AI stocks suffered much heavier losses.
Persons: Colette Kress, , ” Kress, , Biden, ” Jefferies Organizations: Hong Kong CNN, Nvidia, Wall Street, Financial Times, US Department of Commerce, CNN, Bloomberg, Chengdu Information Technology, Chinese Academy of Sciences, Baidu, Biden, Micron Technology Locations: Hong Kong, United, China, Washington, Shenzhen, Chengdu, ChatGPT, Beijing
A Nvidia Corp. HGX H100 artificial intelligence supercomputing graphics processing unit (GPU) at the showroom of the company's offices in Taipei, Taiwan, on Friday, June 2, 2023. China's artificial intelligence stocks fell Wednesday after the Wall Street Journal reported that the U.S. is planning to impose new curbs on shipments of AI chips to China. According to the Journal, U.S. chip makers such as Nvidia will be affected by the move which could happen as early as July. China's CSI artificial intelligence index fell 3% on that news on Wednesday in Asia. The Shenzhen-traded shares of Inspur Electronic Information Industry slumped 10% and Chengdu Information Technology of Chinese Academy of Sciences dropped nearly 8%.
Persons: OpenAI's ChatGPT, Bard chatbots, Organizations: Nvidia Corp, Wall Street Journal, Journal, Nvidia, CSI, Industry, Chengdu Information Technology, Chinese Academy of Sciences Locations: Taipei, Taiwan, China, Asia, Shenzhen, Chengdu, Hong Kong, U.S
Some of this work is done by Britain's' Cambridge University, South Korea's Bundang CHA Hospital, International Stem Cell Corp's (ISCO.PK) Cyto Therapeutics in Australia, the Chinese Academy of Sciences, Harvard University and Japan's Kyoto University Hospital. For BlueRock's experimental therapy, researchers took induced pluripotent stem cells, which are modified to regain the ability to form any type of specialised tissue, and transformed them into dopamine-producing nerve cells. When surgically implanted into the brain of a person with Parkinson's disease, the therapeutic cells are designed to restore neural networks destroyed by the disease. Initial trial results showed the cells multiplied and started making dopamine, an important brain signalling molecule which is lacking in Parkinson's patients. Parkinson's, for which there is no cure and which affects more than 10 million people worldwide, causes progressive brain damage.
Persons: Wolfgang Rattay, Bayer, BlueRock, Britain's, Jennifer Doudna, Ludwig Burger, Miranda Murray, Mark Potter Organizations: Bayer AG, REUTERS, Bayer, Cambridge University, South Korea's, CHA Hospital, Cyto Therapeutics, Chinese Academy of Sciences, Harvard University, Japan's Kyoto University Hospital, BlueRock Therapeutics, Mammoth Biosciences, Thomson Locations: Leverkusen, Germany, FRANKFURT, Australia, San Francisco Bay
Most economists expect another modest 10 bps LPR cut in the second half - on top of a 25 bps cut in banks' requirement ratio (RRR). The PROC last cut the RRR - the amount of cash that banks must hold as reserves -- in March, by 25 bps. Each 5 basis points LPR cut could reduce pre-tax profits of major banks by as much as 1.8%, China Merchants Securities said in a report. "A small rate cut is a useful painkiller for symptoms but cannot alleviate the real problem," said Gary Ng, Asia Pacific senior economist of Natixis. On Friday, China's cabinet discussed policy measures to support the economy.
Persons: COVID, NIM, Wang Yifeng, Wang, Gary Ng, China's, Zhang Ming, Zhang, Morgan Stanley, Kevin Yao, Ziyi Tang, Kripa Jayaram, Sumeet Chatterjee Organizations: People's Bank of China, Reuters, Everbright Securities, China Merchants Securities, Asia Pacific, stoke, Chinese Academy of Social Sciences, Thomson Locations: China, BEIJING, Beijing, Asia
China may cut rates further in H2, government researcher says
  + stars: | 2023-06-06 | by ( ) www.reuters.com   time to read: +1 min
BEIJING, June 6 (Reuters) - China will likely further cut banks' reserve ratio and interest rates in the second half of this year to support the economy, the China Securities Journal reported on Tuesday, citing policy advisors and economists. China's economy rebounded faster than expected in the first quarter but lost momentum at the beginning of the second. Zhang Ming, a researcher at the Chinese Academy of Social Sciences, a top government think tank, told the state newspaper that low inflationary pressures in China will provide room for monetary easing. China can consider further rate cuts and target the reserve requirement ratio (RRR) cuts to lower lending costs, said Zhang. Li Chao, chief economist at Zheshang Securities, also expects potential rate cuts and RRR cuts in the second half of this year, the report said.
Persons: Zhang Ming, Zhang, Li Chao, Ziyi Tang, Ryan Woo, Shri Navaratnam Organizations: China Securities, Chinese Academy of Social Sciences, Zheshang Securities, U.S . Federal Reserve, United, Thomson Locations: BEIJING, China, Beijing, United States
China has begun drilling a hole over 10,000 meters (32,808 feet) deep into the Earth's crust. Chinese President Xi Jinping named deep Earth sciences one of four strategic frontiers to explore. The drilling project, led by the country's largest oil producer China National Petroleum Corp., would be among the deepest ever drilled. In a 2021 speech addressing the nation's top scientists, Chinese President Xi Jinping named deep Earth sciences one of four strategic frontiers to explore. The deepest hole is still the Kola Superdeep Borehole in Russia, which reached 12,262 meters (40,230 feet) in 1989 after 20 years of drilling.
Persons: Xi Jinping, Wang Chunsheng Organizations: Service, Privacy, Scientists, China National Petroleum Corp, Xinhua, Chinese Academy of Engineering, Bloomberg Locations: China, Xinjiang, Xinhua, Russia
China issues guidance for basic elderly care system by 2025
  + stars: | 2023-05-22 | by ( ) www.reuters.com   time to read: +2 min
BEIJING, May 21 (Reuters) - China has issued guidance to all provinces to build a basic elderly care system by 2025, state-run Xinhua news agency said on Sunday, in the latest step to prevent a demographic crisis. "Promoting the construction of the basic elderly care service system is an important task for implementing the national strategy of actively responding to population ageing and achieving equalisation of basic public services," Xinhua said. It said the guidelines require all provinces to implement a list of basic elderly care services, based on factors such as economic and social development level and financial situation. Provinces must improve the basic pension system service and implement a long-term care security system that connects insurance, welfare and assistance, the statement said. The state-run Chinese Academy of Sciences sees the pension system running out of money by 2035.
[1/2] This image shows the jet and shadow of the black hole at the center of the M87 galaxy together for the first time. The supermassive black hole pictured resides at the center of a relatively nearby galaxy called Messier 87, or M87, about 54 million light-years from Earth. This black hole, with a mass 6.5 billion times that of our sun, was the subject of the first image of such an object ever obtained, released in 2019, with another black hole pictured last year. Seeing the entire scene in the vicinity of a supermassive black hole can be insightful. The EHT project has yielded the images of the two supermassive black holes.
BEIJING, April 24 (Reuters) - China will explore using 3D printing technology to construct buildings on the moon, the official China Daily reported on Monday, as Beijing solidifies plans for long-term lunar habitation. In the 2020 Chinese lunar mission, the Chang'e 5, named after the mythical Chinese goddess of the moon, an uncrewed probe took back to Earth China's first lunar soil samples. China, which made its first lunar landing in 2013, plans to land an astronaut on the moon by 2030. China wants to start building a lunar base using soil from the moon in five years, Chinese media reported earlier this month. The race to set foot on the moon has intensified in recent years, particularly with the United States.
China has an inflation problem. It’s way too low
  + stars: | 2023-04-24 | by ( Laura He | ) edition.cnn.com   time to read: +6 min
That’s raising the specter of a tailspin of falling prices and wages from which the economy may struggle to recover. “Our core view is that China’s economy is deflationary,” wrote Raymond Yeung, chief economist for Greater China at ANZ Research, last week, soon after China released its first-quarter GDP growth figures. Instead of spending money, people are hoarding cash at a record rate. “Even with a conservative estimate, 500 billion yuan in consumption vouchers will drive one trillion yuan in overall consumption, ” Li said in a video posted on his Weibo social media account on Tuesday. In return, the government could receive at least 300 billion yuan through taxes generated by the increase in spending, he said“So it only takes 200 billion yuan in spending for the central government to drive one trillion yuan in consumption,” he said.
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