洛阳中学补习班哪里有价格(西安应届生专业怎么样) (今日更新中)

TEMPE, Ariz. — It's a huge breakthrough for the highly contagious and deadly norovirus as researchers at the Arizona State University’s Biodesign Institute have come up with a vaccine made from plants.The norovirus is known as the perfect human pathogen. It can have you feeling awful for days, but researchers at ASU say a form of the tobacco plant may be the key to a vaccine.Also known as the cruise ship illness, norovirus hits nearly 20 million Americans every year. According to Andy Diamos, a post-doctoral researcher at ASU, the average person has the stomach bug five times in their life.“Norovirus is a horrible bug to get,” said Diamos. “It causes vomiting, diarrhea, all sorts of nasty stuff.”There is no vaccine for the highly contagious bug because it's notoriously difficult to produce in a lab, until now, thanks to Diamos and Hugh Mason with the Biodesign Center.“Genetic engineering has allowed us to design systems like plants to produce useful things like vaccines,” said Diamos.By using a form of the tobacco plant, researchers discovered that a harmless bacteria would help grow a norovirus vaccine when the proper genes are transferred to the leaves.“You can basically put in whatever genes you want and transfer those to the plant, so that's how we get the plant to make the vaccine,” said Diamos.According to Diamos, real viruses are surrounded by a shell that protects its genes. The vaccine that grows inside the tobacco plant is essentially that shell without the harmful insides.“If you give that to someone as a vaccine, it looks just like the real virus, but there is nothing on the inside,” said Diamos. “It can't cause disease; it can't actually infect you.”That's what makes these plant-based vaccines safe and effective.“One of the main reasons why we're focusing on plants is because they're so cheap to work with. These vaccines will hopefully be much cheaper to produce than traditional methods,” said Diamos.Many discoveries from ASU researchers hit the market, this one could too, but it needs further study and would eventually need to be picked up by a pharmaceutical company which could take years. 2154

Tesla on Thursday recalled about 123,000 Model S sedans, asking customers with cars built before April of 2016 to have their power steering bolts replaced.A Tesla spokesperson said the company has observed "excessive corrosion" of the part in some cold climates where a certain type of road salt is used.No injuries or accidents have been reported in connection with the issue, the spokesperson said.A Tesla spokesperson said that if the bolts fail, the driver should still be able to control the vehicle. The issue can make the car more difficult to steer at low speeds and to parallel park, and it should "not materially affect control at high speed."The company sent out emails to Model S owners who have cars included in the recall.The Model S has been lauded for its safety ratings, but news of this recall comes at a rough time for Tesla.Its stock price has plunged more than 25% over the past month. Investors are worried about the startup's ability to deliver on its first mass-market car, the Model 3, which has been plagued by manufacturing woes.Tesla's stock sank nearly 4% during after-hours trading Thursday after news broke about the Model S recall. 1171

Texas kicked off early voting Tuesday. People stood in long lines, voting in ways they've never done before. Some lined up before daylight on sidewalks outside major sports arenas to allow for more physical distancing.Early voting started Monday in Georgia and nearly 127,000 people cast their ballot, a first day record for the state.“There were hours-long wait times in some locations and glitches that added to the challenges,” said Mike Lydon, a principal at Street Plans. “Voting rights and having access to a safe and convenient polling location is going to really drive participation.”Street Plans is an urban planning and consulting firm that deals with transportation. They got a grant over the summer to put together a physical design plan for cities to best cope with social distancing, capacity restrictions and high voter turnout.“How you can make use of streets and public spaces to alleviate some of those issues and of course add some comfort elements like tents, seats, sanitation stations periodically throughout the queue,” said Lydon.The plans cover all types of polling locations, and how to properly do drive-up, curbside, outdoor and indoor voting.There are many potential problems for election officials when situations can change quickly.“COVID being this unknown variable, you could have a spike in the next three weeks at a certain location and that might totally change what was planned for in person indoor voting to go outdoors,” said Lydon.Street Plans is also offering free consulting assistance to cities. The plans are also free to download on their website StreetPlans.com. 1616

STOCKHOLM — The 2020 Nobel Prize in Literature has been awarded to the American poet Louise Glück "for her unmistakable poetic voice that with austere beauty makes individual existence universal."Glück was formerly the Poet Laureate of the U.S. from 2003 to 2004. According to The New York Times, Glück is the first woman to win the award since 1996.The prize was awarded Thursday after several years of controversy and scandal for the world's pre-eminent literary accolade.In 2018, the award was postponed after sex abuse allegations rocked the Swedish Academy, the secretive body that chooses the winners.Two laureates were named last year, with the 2018 prize going to Poland's Olga Tokarczuk and the 2019 award to Austria's Peter Handke.Handke's prize caused a storm of protest because he has been called an apologist for Serbian war crimes.Other writers who were favored for the award were Kenya's Ngugi Wa Thiong' o, Canadian poet Anne Carson, Japanese novelist Haruki Murakami, Russian novelist Lyudmila Ulitskaya and Guadeloupe-born writer Maryse Conde.According to NPR, the 2020 Nobel Prize has a cash prize of about .2 million. The awards ceremony this December will be celebrated virtually because of the COVID-19 pandemic. 1244

Supporters of President Donald Trump are planning on holding rallies this weekend in Washington, D.C.In what’s being called the Million MAGA March, supporters of the president are expected to show support of Trump’s claims of voter fraud. No credible evidence of voter fraud has been exposed. Several lawsuits filed by the Trump campaign claiming irregularities in the 2020 election have been dismissed.A handful of groups are posting on social media about gathering in locations around D.C. and the country Saturday afternoon. Groups include March for Trump, Stop the Steal, and Women for America First, according to local media.Some are suggesting they will march from the Supreme Court to the White House on Saturday, and there is a permit application for a gathering in Freedom Plaza.When asked Thursday about the rallies, White House Press Secretary Kayleigh McEnany said she expected a large turnout."I think it's going to be quite large, um, from what I'm hearing, don't have an estimate for you," McEnany said during an interview on Fox News.D.C.’s mayor said the city is preparing for Saturday, same as they did last weekend after the Associated Press and others called the presidential election in favor of Joe Biden. 1235

来源：资阳报