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Race favorite Justify, ridden by Mike Smith, won the 144th Kentucky Derby on a sloppy track at Louisville's Churchill Downs on Saturday.Justify is trained by Bob Baffert, who now has five Derby wins.Good Magic finished second, just ahead of Audible. The winning time was 2:04.20.Justify, the 5-2 favorite, became the first Derby winner in 136 years that did not race as a 2-year-old. The chestnut colt has won all four starts as a 3-year-old. 450

President Donald Trump told reporters aboard Air Force One on Friday that he plans on banning popular social media application TikTok in the US.According to White House pool reports, Trump said, “I have that authority. I can do it with an executive order or that.”“As far as TikTok is concerned we’re banning them from the United States,” Trump told the reporters. Trump added that he planned to take action against the popular video-sharing app as soon as Saturday.Earlier on Friday, Bloomberg reported that Trump was planning on forcing TikTok’s parent company ByteDance to sell the company. The company is based in China, a country Trump has ramped up tensions with amid the coronavirus pandemic.But Trump indicated to reporters on Friday that he is not in favor of allowing a sale of the company to an American-based company.The popular social media application has gained popularity among younger Americans in recent months. The application allows users to share short video clips, often accompanied with music. Users of the application orchestrated a campaign to Trump's first rally during the coronavirus pandemic in June in Tulsa to reserve tickets and not show up, which prompted lower-than-expected attendance numbers. The Trump administration has complained that the application takes data and is used by the Chinese government. "All the things that you care that you want to make sure the Chinese Communist Party doesn’t have, we have a responsibility to make sure that the systems that you’re using don’t give them access to that," US Secretary of State Mike Pompeo said last week. 1603

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

Researchers are working to find out who is buried in the 604 unmarked graves that were found on Clemson University's campus.In a press release, university officials said crews were surveying the Woodland Cemetery, located near Memorial Stadium in Clemson, South Carolina, when the unmarked graves were found.Using ground-penetrating radar, crews initially found 200 unmarked graves, but as the project went on, crews found 404 more graves."The number of graves coupled with the locations suggests the possibility that some may pre-date the period when the land was part of Calhoun's Fort Hill Plantation from 1830 to 1865," university officials stated in the press release. "Many of the graves are thought to be those of enslaved people who worked at the plantation and later as sharecroppers and Black laborers, including convicted individuals involved in the construction of Clemson College from 1890 to 1915."According to Greenville News, University Historian Paul Anderson and a research assistant will comb through census data and archives to find out who is buried there and when they were placed there.Former Clemson trustee Jim Bostic told the Greenville News that a large memorial would be put in place to honor those in the unmarked graves. 1258

President Donald Trump's rebukes of Attorney General Jeff Sessions have included referring to him behind the scenes as "Mr. Magoo," The Washington Post reported Wednesday evening.Trump on Wednesday?lashed out again at Sessions?on Twitter for his oversight of the Justice Department.  311