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After one of its cars made a high-speed run on a German test track, Bugatti says it is the first production auto manufacturer to make a car that exceeded 300 miles per hour.A specially modified Bugatti Chiron, driven by Bugatti test driver Andy Wallace, went 304.8 miles per hour on a 5.5 mile straightaway on Volkswagen's Ehra-Lessien test track in Germany, the company said. Bugatti is owned by the Volkswagen Group, which also owns Lamborghini and Bentley.Bugatti is a "production auto manufacturer," meaning it makes multiple copies of the same car for use on public roads albeit, in Bugatti's case, in low numbers and at very high prices. But this was not the ordinary sort of Chiron one can buy for million from the Bugatti factory in Molsheim, France. This record was set by a prototype Chiron that Bugatti developed in cooperation with the Italian race car manufacturer Dallara. (Cars built solely to compete for speed records have gone as fast as over 500 miles per hour.)In addition to making safety alterations for such high speeds, the companies modified the car's body to improve aerodynamics. The tires were also specially developed by Michelin, which makes the tires for regular Chiron cars as well. The tires are still legal for road use but they were reinforced to withstand these extremely high speeds."It's inconceivable that a car would be capable of this. But the Chiron was well 1416

Airbnb is offering a handful of people concerned about the environment a chance to participate in scientific research on how to help preserve it during an all-expense paid trip to Antarctica. 203

A tornado has killed one person in central Louisiana, authorities said Monday.Vernon Parish Sheriff's Office Chief Calvin Turner said authorities received a report of one fatality in a rural area of the parish, which is located northwest of Lafayette. Turner said the death was due to damage in a home. He didn't have any additional details.The National Weather Service earlier issued a tornado emergency, the highest criteria for a tornado warning, for Rapides Parish, east of Vernon Parish. This includes the town of Alexandria. A large tornado was confirmed near the Alexandria International Airport.Alexandria police said there are no reports of injuries in the parish. Several structures were damaged, police said.Video showed an overturned vehicle and debris in Alexandria.Tornado warnings and watches have been issued for parts of Louisiana, Mississippi, Arkansas and Texas, the 898

A United States Postal Service spokesperson said on Wednesday that there has been some misinformation on the status of mail going from the United States and China. A USPS spokesperson confirmed on Wednesday that mail addressed to China, Hong Kong and Macao will continue to be accepted by the USPS. The World Health Organization also noted that the coronavirus does not survive for long on objects, which means it is safe to accept packages given the transit time between China and the United States, which can often take weeks. USPS said it has implemented measures to ensure the safety of mail processing and postal staff, including disinfection of postal offices, processing centers and transportation vehicles, and monitoring of postal staff’s physical health.While USPS continues to accept mail destined to areas affected by the coronavirus, the coronavirus has caused some significant disruption of service between the two nations.“Due to widespread airline cancellations, capacity constraints and restrictions into this area, the U.S. Postal Service has temporarily suspended the guarantee on Priority Mail Express International destined for China and Hong Kong, effective Monday, Feb. 10, 2020,” a USPS spokesperson said. “Additionally, we are not accepting transit mail from other countries sending their mail through U.S. Postal Service offices of exchange (International Service Centers) destined to China, Hong Kong and Macao.”For all mail coming into China, the China Post will contact the recipient via telephone and arrange for a non-face-to-face delivery method, which includes temporary storage at the postal outlet, availability for collection from the outlet, or delivery to a smart parcel locker. This precaution has reportedly added to delivery times. 1785

Although many consider vaping a less harmful alternative to traditional cigarettes, researchers from the Ohio State University say it is not a good to make such claims at this time. Part of the reason is that research led by OSU Professor of Nursing and Medicine Loren Wold claims that there is growing evidence that e-cigarettes and their aerosol constituents, nicotine, carbonyl compounds, particulate matter, metals and flavorings can have adverse effects on the cardiovascular system. The study was published last week in journal Cardiovascular Research.The authors of the study say, however, that there is not sufficient data to make conclusions on the exact effect e-cigarettes have on the heart."Great caution and hesitation should remain concerning e-cigarette use until its health risk profile is better established," the study reads. "Therefore, additional high-quality randomized controlled trials are needed to conclusively establish the safety and efficacy of e-cigarettes."“Many people think these products are safe, but there is more and more reason to worry about their effects on heart health,” Wold said.The research comes as federal and state officials have been looking into why there has been an increase to the number of vapers who have suffered from lung disease due to vaping. As of last week, there have been 39 confirmed deaths and more than 2,000 cases of lung disease likely caused from vaping, the CDC said. Part of the problem, Wold said, is that the long-term effects of vaping is unknown. In 2011, there were 7 million people who used e-cigarettes. That number has since increased to 41 million. “We know these problems are seen in these studies looking at the short-term effects of vaping, but that research is inconsistent and the impact of chronic e-cigarette use is an outright mystery. The potential harm to the heart over time is essentially unstudied,” Wold said.To read more about the study, click 1950

来源：资阳报