海口腰椎间盘突膨出的治疗(海南海南医治强直性脊柱炎办法) (今日更新中)

The plane behind Lion Air's crash off Indonesia was one of Boeing's newest and most advanced jets. It was just two months old and with 800 hours under its belt, so experts are baffled as to what exactly caused the 737 MAX 8 to crash.While no information has been released yet as to why the brand-new plane crashed into the sea 13 minutes after takeoff,?FlightRadar24 has published data that shows the plane behaving erratically during takeoff. When a plane would normally be ascending in the first few minutes of flight, the Lion Air jet experienced a 726-foot drop over 21 seconds.Aviation expert Philip Butterworth-Hayes told CNN that the data was unusual -- especially since takeoffs like this are typically controlled by the plane's automatic systems."This doesn't fit an automatic flight profile," Butterworth-Hayes said while studying the data. "Unless, the aircraft was trying to correct itself at the time for a number of reasons.""This shows an unusually unstable vertical flight profile," he added."Exactly at the same time as the speed increased there was an altitude dip, which meant that at that point there was quite some loss of control."The plane, which has only been in operation since August 15, was carrying 181 passengers as well as six cabin crew members and two pilots, bound for Pangkal Pinang on the Indonesian island of Bangka.Former US National Transportation Safety Board air crash investigator and CNN aviation analyst Peter Goelz told CNN the data clearly showed issues with both the speed and altitude of the plane."There is something obviously wrong in both the air speed and the altitude which would point to the flight control systems," he said. "These are fly-by-wire systems -- highly automated -- and pilots may not be able to troubleshoot failures in a timely manner." 1818

The Moderna COVID-19 vaccine, the second vaccine to receive the FDA’s emergency use authorization, is on its way to states, according to officials with Operation Warp Speed, the task force overseeing the nationwide vaccine distribution.During a press conference Saturday morning, U.S. General Gustave Perna, COO of Operation Warp Speed, said “distribution of (the) Moderna vaccine has already begun.”Moderna’s vaccine was approved for emergency use on Friday evening. The Pfizer-BioNTech vaccine was approved for emergency use a week earlier.“Boxes are being packed and loaded today. Trucks will begin rolling out tomorrow, from FedEx and UPS, delivering vaccines and kits to the American people across the United States," Perna said. "This week, in total, between Pfizer and Moderna, we have allocated 7.9 million doses of vaccine."He also took responsibility for discrepancies state leaders reported last week citing reductions in the amount of Pfizer vaccine doses they would be receiving. More than a dozen states said they were told by the federal government that next week's shipment of the Pfizer-BioNTech vaccine would be 20-to-40% less than originally projected. Perna said they are keeping an eye on manufacturing numbers and adjusting distribution in the short-term. USA Today is reporting the discrepancy is because of how many vaccines are able to be approved by quality control measures and released for distribution, not just how many doses are manufactured. “I want to take personal responsibility for the miscommunication,” he said. “I know that’s not done much these days. But I am responsible. This is a herculean effort and we are not perfect.”Perna did say “we remain on track to allocate around 20 million doses of vaccine to all jurisdictions by the end of December, with distribution of those doses pushing into the first week of January.”Perna joined other health experts in reminding Americans that just because the vaccine is being distributed, that doesn’t mean mask-wearing, social distancing and other precautions can be relaxed."Each shipment of vaccine is another few yards gained, but any good player or coach knows that you still need defense, along with offense, to win the game. I join our health professionals in urging Americans to stay diligent in their defense,” Perna said. 2322

The interest rate on the 30-year fixed-rate mortgage remained near record lows in June and is likely to stay there in July.The 30-year fixed averaged 3.33% APR in the first four weeks of June, a smidgen lower than the 3.37% average APR in May and 3.36% in April. June’s rate average was the lowest in the four-year history of NerdWallet’s daily rate survey.A mission to reduce ratesMortgage rates were remarkably anchored from April through June after the Federal Reserve intervened to stabilize rates and push them down.But the Fed’s intervention hasn’t been entirely successful: Although mortgage rates have been remarkably stable, they’re stuck at a higher-than-expected level. To put it more bluntly, rates should be lower.Since March, the central bank has bought billions of dollars’ worth of Treasurys and mortgage bonds “to sustain smooth market functioning, thereby fostering effective transmission of monetary policy to broader financial conditions,” as the Fed explained in a June 10 statement.Dissecting that short passage:The Fed is saying that its goal is to push interest rates, including mortgage rates, lower. That’s what “transmission of monetary policy to broader financial conditions” means.It’s trying to accomplish that goal by buying Treasurys and mortgage bonds to calm and stabilize those markets. Stabilizing markets is a method, not the goal.? MORE: How mortgage rates are determinedFed failed to make a bigger splashThe Fed has succeeded in calming the waters. That’s why there were ripples, not waves, in fixed mortgage rates from April through June. But it has only partially succeeded in its goal to push interest rates lower. For the Fed to declare victory in “fostering effective transmission of monetary policy to broader financial conditions,” mortgage rates would have to fall another half a percentage point or so.With its intervention, the Fed decreased Treasury yields and mortgage rates. But the results are unequal: Since January, the 10-year Treasury yield has fallen a little over one percentage point, while the 30-year mortgage has fallen about half a percentage point. Normally, the two would fall roughly the same amount.Rates slow to sync with TreasurysWhy haven’t mortgage rates fallen further? You might guess that lenders are keeping rates elevated to offset the risk of mortgages going into default during the COVID-19 recession. But mortgage rates tend to fall during recessions.? MORE: What COVID-19 means for mortgage ratesMaybe mortgage servicers, the companies that collect monthly payments and work with past-due borrowers, want to be paid for the increased risk they bear, and it’s translating to higher rates. Maybe an undetected economic force keeps a floor on mortgage rates, preventing the 30-year fixed from falling below 3% and lingering there.A more plausible theory is that mortgage rates will follow historical patterns and shamble lower until they’ve fallen roughly the same as Treasury yields. That’s the conclusion that Bill Emmons, economist for the Federal Reserve Bank of St. Louis, makes in a paper titled “Why Haven’t Mortgage Rates Fallen Further?”Using history as a guide, Emmons writes, “we would expect a further decline in mortgage rates of perhaps 0.5 percentage points.” If he’s right, mortgage rates might drop in July.Don’t count on it, though. Not after these two months of stability; rates might continue to tread water.More From NerdWalletCompare current mortgage ratesHow much home can I afford?Buying or selling a home during the pandemicHolden Lewis is a writer at NerdWallet. Email: hlewis@nerdwallet.com. Twitter: @HoldenL. 3623

The National Park Service plans to thin a herd of bison in the Grand Canyon through roundups and by seeking volunteers who are physically fit and proficient with a gun to kill the animals that increasingly are damaging park resources.Some bison would be shipped out of the area and others legally hunted on the adjacent forest. Within the Grand Canyon, shooters would be selected through a lottery to help bring the number of bison roaming the far northern reaches of the park to no more than 200 within three to five years. About 600 of the animals now live in the region, and biologists say the bison numbers could hit 1,500 within 10 years if left uncontrolled.The Grand Canyon is still working out details of the volunteer effort, but it's taking cues from national parks in Colorado, the Dakotas and Wyoming that have used shooters to cut overabundant or diseased populations of elk. The Park Service gave final approval to the bison reduction plan this month.Sandy Bahr of the Sierra Club says she's hopeful Grand Canyon will focus mostly on non-lethal removal.The Grand Canyon bison are descendants of those introduced to northern Arizona in the early 1900s as part of a ranching operation to crossbreed them with cattle. The state of Arizona now owns them and has an annual draw for tags on the Kaibab National Forest. Nearly 1,500 people applied for one of 122 tags this year, according to the Arizona Game and Fish Department.The bison have been moving in recent years within the Grand Canyon boundaries where open hunting is prohibited. Park officials say they're trampling on vegetation and spoiling water resources. The reduction plan would allow volunteers working in a team with a Park Service employee to shoot bison using non-lead ammunition to protect endangered California condors that feed on gut piles.Hunters cannot harvest more than one bison in their lifetime through the state hunt, making the volunteer effort intriguing, they say."I would go if I had a chance to retain a portion of the meat," said Travis McClendon, a hunter in Cottonwood. "It definitely would be worth going, especially with a group."Grand Canyon is working with state wildlife officials and the Intertribal Buffalo Council to craft guidelines for roundups and volunteer shooters, who would search for bison in the open, said Park Service spokesman Jeff Olson.Much of the work would be done on foot in elevations of 8,000 feet or higher between October and May when the road leading to the Grand Canyon's North Rim is closed. Snowmobiles and sleds would be used to remove the bison meat, and helicopters in rare instances, park officials said.Carl Lutch, the terrestrial wildlife manager for Game and Fish in Flagstaff, said some models require volunteers to be capable of hiking eight miles a day, carrying a 60-pound pack and hitting a paper plate 200 yards away five times.The head and hide of the bison would be given to tribes, or federal and state agencies.Lutch said one scenario discussed is splitting the bison meat among volunteers, with each volunteer able to take the equivalent of meat from one full bison. Anything in excess of that would be given to tribes and charities, he said. A full-grown bull can have hundreds of pounds of meat.Theodore Roosevelt National Park in North Dakota used volunteers in 2010 for elk reduction, selecting 240 people from thousands of applicants, said park spokeswoman Eileen Andes. Some quit before the week was over, she said."We had quite a bit of snow, so you're not in a vehicle, you're not on a horse," she said. "You're hiking through snow to shoot elk and haul them out. It was exceedingly strenuous." 3664

The investigation into social media misconduct in the United State Marine Corps. has resulted in at least 55 Marines being punished, including seven courts-martial.USMC said Friday the cases stemming from a massive scandal into online misconduct "proved to be a symptom of a larger problem of bias and exclusion."The 55 Marines punished include seven special and summary courts-martial, six administrative separations, 15 non-judicial punishments, and 27 adverse administrative actions. At least 123 individuals have been investigated for incidents of misconduct involving the non-consensual distribution of explicit images, according to officials. Of those cases, 22 were of civilians outside Department of Defense jurisdiction and 101 were active-duty or reserve Marines.USMC said 82 cases concerning active-duty or reserve Marines have been ruled on while 19 await a decision.The Marine's investigation of the "Marines United" Facebook page prompted a full-scale look into misconduct across social media. Naval Criminal Investigative Service scanned nearly 131,000 images across 168 social media sites.Last year, nude photographs of female Marines and veterans from various military branches and other women were shared on the "Marines United" page. The accompanying posts were found to include obscene and threatening comments and showed women in various stages of undress. Some women were identified and others were not. The site was touted as being for men only. 1536

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