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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 Tempe woman was arrested after her infant daughter ate mac and cheese with THC butter in it. Tempe police report that early Thursday morning, after receiving a report from the Arizona Department of Child Safety, they arrested 25-year-old Alaina Marie Limpert at her home.Police say on Tuesday, Limpert's 1-year-old daughter ate mac and cheese made with butter containing tetrahydrocannabinol, or THC, which is the chemical in cannabis that gets you high. A witness reportedly told investigators that Limpert "laughed about the side effects the child experienced." Limpert later put the child in the cold water of the backyard pool to "shock" her, court documents said.Hospital officials later confirmed that they found THC in the infant's system. Inside the home, police report they found two marijuana grow tents, psilocybin mushrooms and many containers of hash oil with business cards attached to them. Limpert was arrested on one count of child abuse. 1000

A suspicious package targeting billionaire investor and philanthropist George Soros was rendered safe in Bedford, New York on Monday, a law enforcement source told CNN.The Bedford Police say they received a call reporting a suspicious package found in a mailbox. The package appeared to be an explosive device, police said.An employee had opened the parcel. The employee placed the package in a wooded area and called the Bedford Police, according to a news release.The package did not detonate on its own, the law enforcement source said. 547

A significant drop in the number of plastic bags littering Britain's seabeds suggests that a charge on plastic bags and other efforts to tackle marine litter are working, according to a new report.The study, published in the journal Science of the Total Environment, was carried out by scientists at the UK government's Centre for Environment, Fisheries and Aquaculture Science (Cefas), who analyzed data complied between 1992 and 2017 to reveal a drop of nearly 30% in plastic bags on Britain's seabeds.The report inspected 2,461 trawls off the UK's coasts and found that over the 25-year period, 63% of trawls contained at least one plastic litter item. 663

A popular Hostess snack cake is being recalled due to the concern of the Raspberry Zingers potentially growing mold before the best by date.The U.S. Food and Drug Administration says the recall of the snack is voluntary.The product was sold to stores across the United States and if consumers bought one, they are asked to not eat it, and return it for a full refund, the FDA says.The following Zingers products are being recalled: 439