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The world’s population has been growing, spiking in the last few centuries, and now sits around 7.6 billion. A study published this week suggests global population will peak around the year 2064 at roughly 9.73 billion people.Researchers looking at the models believe the world’s population will then begin declining, reaching roughly 8.79 billion in the year 2100. Their reasoning for the decline is that “continued trends in female educational attainment and access to contraception will hasten declines in fertility and slow population growth.”According to the study, funded in part by the Bill and Melinda Gates Foundation and published in The Lancet, the five largest countries, population-wise, in 2100 are projected to be India, Nigeria, China, the U.S. and Pakistan. They are projecting America will have a population of roughly 336 million people in 2100. Currently, there are an estimated 331 million people living in the U.S.The average life expectancy in 2100 will be around 80 years old. The current global life expectancy is estimated at 72 years old. 1073

The State of Utah sent face masks showing a handgun and controversial political image to a Salt Lake City family.The free masks are part of the “A Mask For Every Utahn” campaign, where federal COVID-19 money purchased more than two million masks to stop the spread of the virus.“I was just shocked,” said Chrstine Passey-Spencer outside her Rose Park home.Two masks delivered to the family show an American flag with a handgun printed across them with “Don't Tread on Me” written below a coiled rattlesnake.“I think the thing that bothered me most is that I knew my tax dollars paid for this and this is very politically charged speech,” Passey-Spencer said.The “Don't Tread on Me” image stems from the Revolutionary War but has become controversial in recent years. The Gadsden Flag has been used by the Tea Party, anti-gun control activists and white supremacists.In 2016, it was deemed to have “racially-tinged” messaging in some contexts by the federal government.More recently, the image has been used by people believing COVID-19 health restrictions take away their constitutional rights.“We hope this is an isolated incident that we just missed these couple of masks,” said Governor’s Office of Economic Development’s Ben Hart, who oversees the state’s mask program.Since April, the state purchased millions of masks from local and international manufacturers.Hart admits about 100 of the “Don't Tread on Me” masks were included in a shipment last month. Hart says the staff deemed them “inappropriate” and attempted to set all of them aside.“We will not be using taxpayer dollars to pay for these masks. We will be working with the manufacturer and ensuring we do not pay for them,” said Hart.The governor’s office replaced the masks for Passey-Spencer on Tuesday.KSTU's Hailey Higgins first reported this story. 1828

The World Series and NLCS will be open to fans. According to MLB, 11,500 fans will be allowed into Globe Life Field in Arlington, Texas.The ALCS, held in California this year, will not have fans in the stadium, as of now.With 11,500 fans in the stadium, Globe Life Field will be roughly 25% full. The NLCS will mark the first time fans will be permitted into an MLB playoff or regular season game this year.MLB said the following protocols will be enacted:· Tickets in the seating bowl will be sold in groups of four contiguous seats, called pods. Individuals may purchase a limit of one pod per NLCS and World Series game.· Seats within each pod cannot be broken apart for sale.· Each pod will be a minimum of six feet from each other.· No seats will be sold within 20 feet of where a player can be located on the field, in the dugouts or in the bullpen.· Masks will be mandatory for all fans except when actively eating or drinking at their ticketed seats.· Hand sanitizing stations will be available throughout the ballpark.· No bags will be permitted except for those that are carried for medical reasons or manufactured diaper bags that accompany infants and young children.Tickets go on sale October 6. 1216

The University of Arizona and Boeing joined forces to find disinfectants that will kill COVID-19 and help make air travel safer. The project known as the Confident Travel Initiative is designed to test out cleaning solutions that can destroy the Coronavirus. Arizona microbiology professor Dr. Charles Gerba, who is known as "Dr. Germ," says he’s been working with Boeing since the summer to test cleaning products as part of the initiative to make flying as safe as possible during the pandemic and beyond.“It's really innovative to try to get a coating that will be antiviral," he said. "I think it’s the next step in hygiene and disinfection adding another barrier between when they clean and regularly disinfect aircraft. We’re looking at coatings. And anytime the virus lands on it would kill it, so you don’t have to keep disinfecting all the time."The team conducted laboratory testing by using a virus called MS2 on surfaces inside of an unoccupied plane. The virus has similar characteristics to the virus that causes COVID-19.“It would protect you from when they disinfect it or clean the aircraft. In case the virus lands again on a surface in the aircraft. We’ve been evaluating the overhead bins, the seats, the trays, the handles,” Gerba said.Cleaning solutions and ultraviolet wands were also used throughout the plane and according to Boeing, the results show that antimicrobial coatings were effective for extended periods of time and won’t be harmful to passengers. While Gerba didn’t share the names of the disinfectants, he did say the products can potentially be used on public transportation and other high traffic areas.“We actually did some of the work in the aircraft going in and contaminating certain areas like the tray in the aircraft the overhead bin and then evaluating the disinfectants to show they could kill the virus," Gerba said. "I see this new technology of self-disinfecting surfaces will revolutionize public places in cleanliness, cars, and buses you name it. These are products already on the market and they are new innovative products where you can put down a coating and it will last for hours, weeks, or maybe even months."The research project is expected to be done with other viruses by the end of the year and airplane cleanings will be done between flights.“It all has a big benefit I think it's going to add that extra barrier to me it’s the next generation of infection control and the spread of disease,” Gerba said.This story was first reported by Shawndrea Thomas at KGUN Tucson, Arizona. 2552

The United States Air Force swore-in its first Black chief of staff on Thursday.Air Force Secretary Barbara Barrett administered the oath of office to Gen. Charles Q. Brown during a ceremony at Joint Base Andrews, Maryland.“This is a very historic day for our nation, and I do not take this moment lightly,” Brown said at the ceremony. “Today's possible due to the perseverance of those who went before me, serving as an inspiration to me and so many others." 467

来源：资阳报