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As students return to school and employees head back to the office all with new safety protocols likely including wearing a mask, a new study from Duke University explores which masks are more effective.Spoiler alert: A fitted N95 mask, usually reserved for those in the medical community, performed the best in their test. However, since many Americans do not have access to those and have been using a mix of store-bought or homemade cotton and fabric facial coverings, Duke tested 13 other kinds of masks.The study, which was published Friday, was prompted when a professor at Duke’s School of Medicine was asked to assist a local group buying masks in bulk for the community. According to CNN, the professor wanted to make sure the masks they bought were effective.Researchers gathered 14 kinds of masks, including the professionally-fitted N95 mask, a bandana, homemade cotton varieties, and a surgical mask. They then used a dark room, laser beam and cell phone camera to record how many droplets (which reflect the laser beam light) each mask allows through.For each mask test and the non-mask wearing control test, the speaker was recorded saying “Stay healthy, people” five times. Each mask was tested ten times. 1229
As the pictures come in from along the Florida panhandle, especially from devastated Panama City and Mexico Beach, many of us are feeling a need to help those who lost their homes. Should you give cash, donate cleaning supplies or collect canned goods?Giving is good. But giving to a good charity — one that knows how to get the help to victims quickly — is even better.The Better Business Bureau and Charity Navigator are offering advice on how to donate and sharing which groups are best prepared to distribute your donation.Despite all the new high tech ways to donate, from crowdsourcing to charity apps, an oldie might be your best bet at first. 663

As millions of Americans are struggling to find work, some have stopped looking and decided to create an opportunity for themselves instead.Experts believe this is evident in the sudden spike of new business applications.For example, a few months ago, Leigh Altshuler in New York City lost her job and rather than search for a new one, she decided to invest her entire savings into a business around her passion for books.“I was caught definitely by surprise,” said Altshuler. “I felt so low when I lost my job and to be able to turn this into something that makes me feel so lucky and so fortunate, is already a huge success.”Altshuler’s bookstore, Sweet Pickle Books, is expected to open by the end of October.Nicolas Bryon took a similar path.“I was working at a local restaurant here in Tampa when the pandemic hit,” said Bryon. “I was a forced layoff."Bryon and his brother recently opened a meal kit business around the chef’s homemade pasta. Starting a business together was an idea they had kicked around for years, but never had the time to flesh it out. That is, until Bryon lost his job.“Definitely had the time to slow things down and plan things out,” added Bryon.The business has taken off, providing more than a good income for the siblings.“I feel free,” he explained. "I feel a lot freer than I did a few months ago. Doing what I love, like on my own time, creating my own dishes and being financially sustained. It’s awesome.”According to data provided by the U.S. Census Bureau, across the country, there have been at least 3.2 million new business applications filed this year. This time last year, that number was around 2.7 million.“It is hard to know at the moment as to whether or not this trend that we have seen, that is very discernible, is going to continue and it is hard to know exactly what the real impact over time is going to be,” said John Dearie, founder of the Center for American Entrepreneurship in Washington, D.C.Dearie believes new businesses like Sweet Pickle Books and Pasta Packs have an uphill battle. However, if these businesses and other new ones survive, they could be a major factor in our economic recovery.“Startups are disproportionately responsible, they are not the only source, but they are the major source, but disproportionately responsible for the innovations that drive economic growth and job creation in the economy,” explained Dearie.For now, they are helping at least three people survive and find purpose in this pandemic. 2497
As users of Facebook log on to to the social media platform today, they may get a notice that apps they or their Facebook friends have used have been banned from it.It's a tool put in place to let users know Facebook is working to protect their data and provide awareness of previous potential data losses.Facebook's press page was once filled with announcements about new features to order food and connect to friends in virtual reality.Now it's almost entirely devoted to addressing Facebook's crisis of confidence. 525
At Allan Hancock College’s Fire Academy, Battalion 146 recently went through some intense rescue scenarios.“Help a brother out. Come on,” shouted an instructor.The person responsible for training the future firefighters is academy coordinator Andy Densmore, who has been in this industry for almost four decades and is retiring at the end of this year.“There’s nothing you can do about it,” he said. “We have to make the change.”Changes due to COVID-19.Since the pandemic hit, academy class sizes have been cut by a third, cadets are screened before they enter the facilities, they socially distance themselves once they’re in and wear masks when they’re not in face pieces.“The nice part is we asked these kids for their commitment the first day that we meet them and we said, ‘there’s only one variable in this entire program and it’s you,’” Densmore said.As Densmore’s career comes to a close during this crisis, Camila Schafer, class president of Battalion 146, is just starting hers.“Whether it’s a pandemic, it’s a fire, it’s a surf rescue, we’ll answer that call,” she said.Schafer says instructors can control all aspects of a cadet’s day while on campus but once they leave the academy, however, cadets are committed to an individual responsibility.“On weekends, we’re studying. we’re hitting the books,” she said. “We’re making sure that we’re not out there putting our battalion in jeopardy and possibly getting this virus.”Employment of firefighters is projected to grow faster than the average for all occupations across the country, according to the Bureau of Labor Statistcs.While this fire academy is training with new challenges, Densmore believes smaller class sizes could make cadets like Schafer better prepared than firefighters of the past.“We don’t graduate mediocre,” he said. “Our standards are really, really high. And we exceed what the state requires." 1888
来源:资阳报