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President Trump, wearing a mask, rides by his supporters outside Walter Reed while in the back of a Suburban. pic.twitter.com/nsCJyYXHdK— Kaitlan Collins (@kaitlancollins) October 4, 2020 195

Researchers from Florida Atlantic University released a video on Tuesday that shows how droplets disperse into the air from a person’s mouth.The researchers used different kinds of masks to analyze the disbursement of the droplets. The researchers also showed that without a mask, six feet of distance might not be enough to avoid infection.The FAU team tested a single-layer bandana-style covering, a homemade mask that was stitched using two-layers of cotton quilting fabric consisting of 70 threads per inch, and a non-sterile cone-style mask that is available in most pharmacies. The team used a mannequin, Laser lights and synthetic fog to help visualize the spread of the droplet from a cough..The researchers said that stitched quilted cotton masks worked the best in the simulation, with droplets from emulated coughs traveling just 2.5 inches from the mask. By comparison, without a mask, the droplets moved more than 8 feet, with some droplets traveling up to 12 feet during a heavy cough. The researchers also noted that the droplets remained suspended in midair for up to three minutes in the simulated environment.“We found that although the unobstructed turbulent jets were observed to travel up to 12 feet, a large majority of the ejected droplets fell to the ground by this point,” said Dhanak. “Importantly, both the number and concentration of the droplets will decrease with increasing distance, which is the fundamental rationale behind social-distancing.”FAU said that droplets from a cough traveled 3 feet, 7 inches from a bandana; 1 foot, 3 inches from a folded handkerchief; and 8 inches from a cone-style mask.“Preliminary results from our experiment reveal that significant concentrations of small particles from a turbulent jet such as from a heavy cough/sneeze can linger in still air for more than one minute. It only took the particles a couple of seconds to travel 3 feet; in about 12 seconds it reached 6 feet and in about 41 seconds it reached around 9 feet,” said Siddhartha Verma, an assistant professor in FAU’s Department of Ocean and Mechanical Engineering.Last week, the University of Washington’s Institute for Health Metrics and Evaluation projected that 33,000 American lives would be saved between now and October 1 by near universal wearing of masks.Last month, a study in the Lancet found that the use of masks and respirators by those infected with the virus reduced the risk of spreading the infection by 85%. The authors analyzed data that showed that N95 respirators in healthcare settings were up to 96% effective. Other masks were found to be 77% effective.The CDC issued guidance in April to recommend mask wearing while in public, which has become a requirement to enter retail establishments in more than a dozen states.The CDC's guidance stressed several points: That wearing a face covering is not a substitute for social distancing, and that the public should not use medical or surgical masks. The recommendations suggest the public should use fabric or cloth that covers the mouth and nose.To view FAU's video, click here. Justin Boggs is a writer for the E.W. Scripps National Desk. Follow him on Twitter @jjboggs or on Facebook . 3198

President Donald Trump's in-laws are officially United States citizens.Viktor and Amalija Knavs, the parents of first lady Melania Trump, were granted citizenship Thursday, their immigration attorney, Michael Wildes, announced."It went well and they are very grateful and appreciative of this wonderful day for their family," he said in a statement to CNN.The first lady's office declined to comment.Viktor and Amalija Knavs, who are from Slovenia, had been living in the United States with green cards and have been frequently spotted in Washington since their son-in-law assumed the presidency.Wildes told CNN that as of February, the couple were living in the US on green cards -- a status that allows them to live and work in the US indefinitely and paves the way for citizenship.But it's unclear whether their green cards were granted by a process the President has sought to end."I can confirm they are green card holders and legal permanent residents of the United States," he said. Wildes did not explain how they got those green cards, raising the prospect they were sponsored by Melania Trump or another family member based on what Trump has called "chain migration" or family-based migration.There are only a handful of ways that immigrants to the US can obtain green cards, and the largest share of them each year are given out based on familial connections. A smaller number go to immigrants based on their employment, and other categories include refugees and other special cases. Advocates for restricting legal immigration have pointed to the imbalance in favor of family connections as evidence of the need for reform, calling for a "merit-based" system that would choose immigrants based on need in the US.The US allows a number of ways for US citizens and legal permanent residents to sponsor family members to come to the US permanently, including categories for parents, adult siblings and adult children, married and unmarried.Trump and his congressional allies have fought to slash that dramatically, limiting sponsorship to spouses and minor children, including dropping the threshold for minor children from 21 to 18. Experts estimate that could cut overall immigration to the US by 40% to 50%, if those green cards are not reallocated to another category. Trump has advocated a "merit-based" system, but has not proposed any method of admitting immigrants to the US to replace those categories.Viktor and Amalija Knavs, 73 and 71 years old, respectively, are retired, and they maintain regular contact with the Trump family, often traveling with the first family on trips to Mar-a-Lago and Bedminster, New Jersey. 2647

Research by the RAND Corporation American Life Panel found that Americans over the age of 30 have been drinking more alcohol in 2020 than they did a year ago.The journal Jama Network Open published the results Tuesday.Researchers surveyed more than 1,500 people between the ages of 30 and 80 in 2019 and 2020. They found a 14% increase in drinking during the pandemic.On average, alcohol was consumed one day more per month by 3-of-4 adults, researchers said.Researchers added that it's essential to watch for whether the increases in alcohol drinking continues over the pandemic, and whether it will lead to physical and mental health consequences. 657

Remedy: Consumers should immediately visit www.HP.com/go/batteryprogram2018 to see if their battery is included in the recall and for instructions on how to enable “Battery Safety Mode” if their battery is included in the recall. The website provides consumers instructions on how to initiate the validation utility to check their battery and what to download if their battery is included in the recall. These batteries are not customer-replaceable. HP will provide free battery replacement services by an authorized technician. 538