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A subject coughing in a cyclic incident. A qualitative examination of airborne droplet transmission with and without wearing a surgical mask. The top and bottom figures show the results at 2 s and 3 s, respectively. Wearing a surgical mask that exhibits an initial efficiency of ～91%. This cannot prevent the transport of the saliva droplets away from the subject. Many droplets penetrate the mask shield and some saliva droplet disease-carrier particles can travel more than 1.2 m. For visualization, the droplets were scaled by a factor of 600 compared to their actual size. The environmental conditions are zero wind speed, ambient temperature 20 °C, pressure 1 atm, and relative humidity 50%. The mouth temperature is 34 °C and the face skin temperature is 32 °C. 775

A Nevada Sheriff has taken to Facebook to apologize after leaving her gun in the bathroom of a casino.Nye County Sheriff Sharon Wehrly left her Glock .45 in a restroom toilet stall last week at Saddle West, a hotel, casino and RV Park in Pahrump.Casino General Manager Gregg Schatzman confirmed there was a weapon recovered last week in the bathroom by a porter who was cleaning. He said the porter turned it over to security, who then turned it over to him where it was locked up until the sheriff reclaimed it.Wehrly believes the incident happened last Tuesday or Wednesday but could not confirm which day she left her gun behind. She said she was only separated from her gun for about 10 minutes. She realized it was missing and went back to the restaurant where she'd been having lunch. She says she never left the building."It's a big responsibility to have a firearm and an even bigger responsibility to make sure it's kept in a safe environment all the time. However, people are human and mistakes happen," Wehrly said. "A gun is a tool, and we should always keep track of our tools. I was remiss in this case because I was on the phone dealing with an emergency. I was blessed that someone responsible found it."Schatzman added that there's always a concern when a weapon is left in a restroom. He said leaving a gun, especially a duty weapon, is very, very serious."There was a hole and fortunately we picked it up and so we're in good shape," Schatzman said.He emphasized his high regard for the Nye County Sheriff's Office and their quick response time whenever the casino needs them.Wehrly admitted that this is not the first time she's left her gun behind, though the others, she says, were in the distant past.She recalled a 1984 incident where she left her gun at the U.S. Department of Energy headquarters in Mercury and ended up working an entire shift without it. She also recalled an incident in the 1990s but said the gun wasn't left in a public facility. Schatzman said a California Highway Patrol officer left his gun and badge in the casino restaurant last year. 2183

A police department in Arkansas has apologized for sharing a misleading warning about the danger of opioids on its Facebook page."The post about the fentanyl was sent so me from another officer at another Department," the Leachville Police Department wrote on Facebook Thursday. "I simply shared it. I’m should have checked into it further before I posted it. Sorry for the confusion."The Leachville Police Department warned residents to wipe down shopping carts before using them to protect against the dangers of fentanyl, a powerful opioid. "Fentanyl or something like that still on their hands and they touch that cart handle and then you do, it can get into your system," the department originally posted on Facebook. "Scary but worth taking the time to clean the handle. All you'd have to do is rub your nose or touch your child's mouth. I never even considered this possibility. Children being exposed to just the powder or residue is a bad situation that can turn deadly."While a police officer in Ohio recently claimed ot have overdosed on fentanyl by simply touching the substance, some experts dispute the officer's claim.According to the Centers for Disease Control and Prevention, opioids killed more than 33,000 people in 2015. Nearly half of the opioid overdose deaths involve a prescription opioid, according to the CDC.  1400

A public housing building in Cleveland Heights, Ohio has become a target for at least one scammer posing as a nurse and offering free cancer screenings. But instead of giving people help, she walks away with personal information.One victim, Azzizat Crumble said she was flipping through the channels on Saturday when she heard a knock on the door."Opened the door and she said she was from Stephanie Tubbs' and they were going around doing cancer screenings," Crumble said.The woman was dressed in scrubs and even offering an incentive.  "If we were to agree to it, we would get a 0 gift card to Walmart in the mail," Crumble said.Crumble said it's not uncommon to see nurses in her assisted living building, so she agreed."She was like, 'Before we do it, I am going to need to see your ID and Medicaid card.' So I went and got it and she wrote the information down in a notebook," Crumble recalled.The woman then proceeded to swab Crumble's cheeks and was on her way within 10 minutes."And then she was like, 'Okay, well you will receive your card within five to seven business days," said Crumble.Crumble said she didn't think anything of it until she saw a sign on a bulletin board in the hallway of her complex. "Scam alert: If anyone comes to your door asking for your personal information, call the police immediately," Crumble said the sign read.Crumble said her social security number was on the Medicaid card she gave the woman, so she has since been monitoring her credit activity.Police say this is an on-going investigation. They believe at least four people were targeted, two of which handed over their personal information. Police say they do have a person of interest and potentially two others.  1848

A teacher's assistant handbook is causing some controversy at the University of Maryland. The handbook was meant for Computer Science TA's and had separate instructions for both men and women. Now, some people are saying the comments made inside are sexist.It tells the women their students may have trouble accepting they are in the scientific field because it's a male associated activity. The handbook continues to say this is good practice for the real world because students may not be the only ones having trouble accepting women as a professional. 607