济南有时候不持久怎么办(济南男人硬不起来是什么原因) (今日更新中)

Colleges are trying to figure out how students can safely get back to school, as more schools are choosing to go online only for the fall.For colleges that will have students on-campus, a big question is how testing could work. This week, Maryland's state universities are some of the latest to say they will test students if they can't prove they had a negative test within 14 days of arriving on-campusResearchers from Yale, Harvard and Massachusetts General Hospital have a model of what they say needs to happen for campuses to reopen.It includes testing students every two days along with strict social distancing measures“There are still schools out there who think they can get by with symptom-based monitoring,” said David Paltiel of Yale Public Health. “That is waiting until a student develops symptoms before springing into action. We have run simulations and scenarios over and over again. We have yet to find a single one where that is good enough.”Experts believe screening frequency is more important than test accuracy. But they say daily testing could lead to false positives. They think testing every two days will cost 0 per student per semester.“Any school that cannot see how it's going to reasonably implement a program of frequent screening alongside a program of social distancing really has to ask itself if it has any business reopening,” Paltiel said.Vassar College President Elizabeth Bradley looked at how the model would work for them. She wrote in the journal JAMA they would have a controllable number of infections, even if they only tested students every four weeks.They would also use social distancing, masks, and contact tracing. Students would need a negative COVID-19 test before they move in. 1743

Clear Creek at I-45 is an impressive sight this morning. #houwx #glswx #txwx #Beta https://t.co/I9p1EMKuG6— NWS Houston (@NWSHouston) September 22, 2020 160

Conventions may at times seem like it's all about the confetti and speeches, but what Joe Biden and Kamala Harris want more than anything after this Democratic Convention is what's known as a "post-convention bounce." The phrase describes an increase in support in the polls immediately following a convention HISTORIC BOUNCESSince 1968, presidential campaigns have, on average, received a 5 percent increase in the polls following their conventions. Since 2004, convention bounces have been getting smaller, with the average being around 2 percent. WHY BIDEN MIGHT NOT GET A BIG BOUNCE"People have had a bit more time to evaluate the candidates already (and) maybe opinions are a little more locked," Professor Thomas Holbrook of the University of Wisconsin-Milwaukee said, commenting on the fact bounces have been tougher and tougher to get. Apart from recent history working against the Biden campaign, television ratings are down compared to four years ago. "There could be fewer persuadable voters," Holbrook added. There is also the fact President Donald Trump has his convention next week. WHAT THE CAMPAIGNS THINKBiden advisers aren't as concerned with the lower television ratings, saying more Americans are live streaming the convention on their laptops and cellphones than ever before. 1306

Colgate, Cream of Wheat and Mrs. Butterworth are the latest brands reckoning with racially charged logos. New York-based Colgate-Palmolive say it's reviewing its Darlie toothpaste brand, which is popular in Asia. Prior to 1989, the brand was known as Darkie and featured a singer in blackface as its logo. New Jersey-based B&G Foods, which makes Cream of Wheat hot cereal, said it’s reviewing its logo, which features a smiling black chef holding a bowl of cereal. Cream of Wheat's packaging includes an image of a black chef. In early advertisements, copy refers to the chef as "Rastus" — a term now considered a slur. The name refers to a minstrel show caricature of a stereotypically happy black man. Uncle Ben's rice, which also uses a black man's portrait on its packaging, said it planned to "evolve" the brand, but did not offer specifics.And Chicago-based Conagra Brands says its female-shaped Mrs. Butterworth's bottles are intended to evoke a “loving grandmother.” But the company said the packaging could be misinterpreted. "We stand in solidarity with our Black and Brown communities and we can see that our packaging may be interpreted in a way that is wholly inconsistent with our values," the company said in a statement. The soul-searching comes in the wake of PepsiCo’s announcement that it’s renaming its Aunt Jemima syrup brand. 1359

COVID-19 isn't the only concern with the upcoming election.The FBI and Department of Homeland Security are warning local governments about possible ransomware attacks, something like malicious software blocking officials from access to voting systems.Experts think that is more of a likely scenario than altering actual votes.“The only way to ensure confidence is to demonstrate that you've done everything you possibly can to facilitate that safe and secure election,” said Maya Worman, Executive Director of Election Cyber Surge Initiative.The initiative is led by the University of Chicago. It’s pairing local election officials with volunteer cyber security experts to address specific areas of cyber security concerns.“And the biggie, I think, is human error, user error, whether that is accidentally sending sensitive information to the wrong person, not having a strong password management system, sharing passwords,” said Worman.The pandemic is adding further complications, with just more than 90 days to go.Worman says they felt the urgency to be proactive in helping election officials.“Now, we’ve got so many people working from home on their own devices,” said Worman. “An organization has no insight into what the security around your home, Wi-Fi or home devices, is.”This free resource is invaluable for elections. Some states rely on staff or federal assistance for cybersecurity. Others pay private companies.The pandemic could mean a reduction in volunteers, a new need for PPE and an influx of absentee ballots. 1538

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