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As coronavirus has quickly spread across the world, so too has the use of face masks. During a pandemic, putting on a mask may be the first thing you think to do in order to protect yourself. But public health researchers have no concrete evidence yet that masks alone significantly reduce a healthy person’s chances of getting sick.And if healthy people buy and use up large quantities of masks, there won't be enough for sick people, who are mostly likely to spread the disease, or for frontline health workers, who more frequently come into contact with the COVID-19 virus as they care for the severely ill. Experts estimate health care systems in the US will need 3.5 billion masks -- quite a bit more than than the national stockpile of about 42 million. But if every person in the U.S. were to wear one mask each day, we'd need a supply nearing 10 billion for just one month. "The most important use of masks is for our health care workers," Dr. Tom Frieden, the president and CEO of Resolve to Save Lives and former head of the Centers for Disease Control and Prevention, tells Newsy. "That will protect them, so they're there for us. And it will protect other patients as well, preventing them from getting infected."The CDC only recommends that people who are sick and their caregivers wear masks. When masks are unavailable, a scarf or bandana can be used. But more importantly, Frieden urges sick people to just stay home. "If you're sick, don't go out. Don't expose others. Even if you're only mildly sick, your illness may kill somebody else." 1568

Believe it or not, those are bugs!Mayflies are hatching and invading northeastern Ohio, and it's a yearly occurrence. In 2018, the swarm was so dense that it was 174

Brazil has escalated its war of words with global powers over the Amazon fires, announcing it would reject million in foreign aid before the country's president appeared to contradict his own representatives and leave the door open to accepting the funds.The special communications office for President Jair Bolsonaro told CNN on Tuesday morning that Brazil would turn down the money that was pledged at the G7 summit in France the day before.But around an hour after his communications office confirmed that Brazil would reject the funding, Bolsonaro appeared to cast doubt on the matter. "Did I say that? Did I? Did Jair Bolsonaro speak?" he asked reporters outside the presidential residence.The Brazilian president added that he would only respond to the offer once French President Emmanuel Macron withdrew his insults against him. Macron had accused Bolsonaro of "lying" to him about climate commitments during trade negotiations.The Amazon blazes have caused a public spat between Bolsonaro and Macron, who has been vocal about the need for an international response to the fires.Macron spearheaded the effort and announced the aid package at the G7 summit he hosted in Biarritz.Bolsonaro's chief of staff waded into the dispute between the two leaders on Monday evening, suggesting that the money should instead be used "to reforest Europe.""Macron is unable to avoid a preventable fire in a church that is at a World Heritage Site and he wants to show us what is for our country? He has a lot to look after at home and the French colonies," Onyx Lorenzoni was quoted as saying by G1 Globo late Monday night. He was referring to the Notre Dame Cathedral fire in April.Later on Tuesday, during a meeting with governors of states affected by the fires, Bolsonaro struck a more conciliatory tone, announcing that no one in his administration was opposed to negotiating with France."We even thank the G7 for its work," he said. However, he added that Macron "should think two, three times before he attempts to get out of the complicated situation he is in, with huge disapproval within his own country, by messing with us."For days, Bolsonaro had been saying the idea of creating an international alliance to save the Amazon would be treating Brazil like "a colony or no man's land," calling it an attack on the country's sovereignty.International helpSpeaking alongside Macron at the G7 on Monday, Chile's President Sebastián Pi?era announced a new two-step process for fighting the Amazon blazes.He said the first step was to cover the emergency and collaborate with Amazonian countries in fighting the fires.The next phase would be focused on protecting the forest's biodiversity then working on reforestation. Pi?era said this would be agreed at the United Nations General Assembly in New York in September."The second step would be possible because of the collaboration between the Amazonian countries and the G7 countries," Pi?era said, adding this would be done while "of course always respecting their sovereignty."The conflict between Macron and Bolsonaro got personal when a user post on the Brazilian president's Facebook page compared the appearance of his wife with that of the French first lady, implying that Macron was jealous. Bolsonaro's official account then commented: "Don't humiliate the guy ... haha."Macron described the remark as "extremely disrespectful."Bolsonaro's government had found itself under increasing international pressure over its environmental policies even before the major fires broke out earlier this month.Germany and Norway both suspended their contributions to Brazil's Amazon Fund earlier in August. Over the past decade, Norway has donated .2 billion to the conservation fund, which is managed by the Brazilian Development Bank. Germany has contributed million.The German Environment ministry said earlier this month it was suspending the program, and its planned donation of up to million euros ( million), because of doubts over Brazil's efforts to reduce deforestation.A few days after that, Norway announced it suspended donations because the Brazilian government dissolved the fund's steering and technical committees.While some world leaders have criticized the Brazilian president for his handling of the fires, he received praise from US President Donald Trump, who tweeted Tuesday that Bolsonaro was doing a "great job" that was "not easy.""He and his country have the full and complete support of the USA!" Trump tweeted.Bolsonaro said the tweet pleased him "a lot". "We know that President Donald Trump from whom I have profound appreciation, he has his communication via social media and he just tweeted this, and this is something that pleases me a lot," he said. 4758

California police have identified the girl whose body was found inside a duffel bag near an equestrian trail last week.She was 9-year-old Trinity Love Jones, the Los Angeles County Sheriff's Department said in a statement that described her as a Los Angeles County resident."Although the Coroner's Office determined the death to be a homicide, the cause of death is being withheld," the sheriff's department statement said. "Investigators have detained two persons of interest in this case and they are actively continuing their investigation."After learning her identity, relatives arrived at a memorial to the girl -- established where her body had been found in Hacienda Heights, 695

An Egyptian soccer hero and a sporting legend who just completed an improbable comeback. The first woman to be speaker of the House and the youngest woman elected to Congress. Special Counsel Robert Mueller and President Donald Trump.Those are just some of the individuals selected for 298

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