China reported one new coronavirus case for Friday, unchanged from the day before, data from the national health authority showed on Saturday. One new imported case was recorded on May 8, the National Health Commission said in a statement.

The presumptive Democratic presidential nominee Joe Biden campaigns virtually in his Delaware home; Fox News correspondent Peter Doocy reports.

The streets of Chicago may be largely empty as residents hunker down from coronavirus but some of the city's most deprived neighborhoods are still echoing to the sound of deadly gunfire and raucous partying. While significant falls in crime have been one of the few positive side effects of lockdowns in much of the United States and elsewhere, they have barely made a dent in the homicide rate in Chicago, a city that has long recorded the most murders in the country. Chicago police say 56 murders were committed in April despite statewide stay-at-home orders -- only a fraction lower than the 61 for the same month in 2019 -- while last weekend, the first of the new month, four people were killed and 46 others shot and wounded.

It may not be a pardon. But the Justice Department has dropped charges against Donald Trump’s former national security adviser Michael Flynn, who pleaded guilty to lying to the FBI.Retired Army Lt. Gen. Flynn, an important figure in the war on terror who gave Trump’s 2016 run military validation, will avoid prison time after the Justice Department provided a deliverance on Thursday that Flynn had long sought. It is also the second redemption that Trump has provided the general, who served as his first national security adviser for less than a month. “The Government has determined, pursuant to the Principles of Federal Prosecution and based on an extensive review and careful consideration of the circumstances, that continued prosecution of this case would not serve the interests of justice,” wrote Timothy Shea, the interim U.S. attorney for the District of Columbia and a former senior aide to Attorney General William Barr. Shortly before the filing, lead prosecutor Brandon Von Grack abruptly withdrew from the case.The Justice Department filing, in essence, portrays Flynn as the victim of an FBI frame-up job, and his lies to the FBI as legally marginal. Shea wrote that Flynn’s lies needed to have been “not simply false, but ‘materially’ false with respect to a matter under investigation.” Later in the filing, Shea referred to those lies as “gaps in [Flynn’s] memory,” rather than deliberate falsehoods Flynn conceded. “Even if he told the truth, Mr. Flynn’s statements could not have conceivably ‘influenced’ an investigation that had neither a legitimate counterintelligence nor criminal purpose,” Shea wrote.It was an astonishing turnaround since 2018, when a federal judge said to Flynn in a sentencing hearing, “arguably, you sold your country out.” That judge, Emmet Sullivan, could still decide to reject Shea’s filing and continue with Flynn’ sentencing. Michael Bromwich, a former federal prosecutor and Justice Department inspector general, tweeted that the extraordinary move represented “a pardon by another name” and called it a “black day in DOJ history.”Rep. Jerrold Nadler (D-NY), chairman of the House Judiciary Committee, said the decision to drop charges was “outrageous” and revealed “a politicized and thoroughly corrupt Department of Justice.” Sen. Ron Wyden (D-OR) added, “If Barr’s Justice Department will drop charges against someone who twice pleaded guilty to lying to the FBI and who the White House publicly fired for lying to the vice president, there’s nothing it won’t do, no investigation it won’t taint.”Neither Flynn nor his attorney, Sidney Powell, responded immediately to requests for comment.Speaking to reports on Thursday afternoon, Trump said he had no prior knowledge of the Justice Department’s decision. “He was an innocent man,” Trump said, of Flynn. “Now in my book he’s an even greater warrior.”The dropped charges follow a years-long groundswell from Trump’s base, and particularly Fox News, to clear Flynn. His advocates claim that Flynn was set up by the same disreputable FBI figures who they believe persecuted Trump over phantom collusion with Russia.Flynn’s guilty plea, in December, 2017, has been no obstacle to the narrative, particularly since Flynn sought afterwards, unsuccessfully, to withdraw his plea. His sentencing, initially set for February, had also been delayed.Last month, agitation for a Flynn pardon intensified after documents emerged from two of Trump’s most hated ex-FBI figures, counterintelligence official Peter Strzok and attorney Lisa Page, discussing Flynn’s fateful January 2017 interview with the FBI. Page asked when and how to “slip it in” to Flynn that lying to an FBI agent is a crime, something that Flynn’s advocates believed showed the general being railroaded from the start. But veteran FBI agents and prosecutors have pointed out that the FBI is not legally obligated to inform an interview subject that lying to them is illegal. “Michael Flynn was very familiar with the FBI,” said Stephanie Douglas, a former executive assistant director of the FBI’s National Security Branch. “He would certainly have been aware of his obligation to provide candid and truthful information. His claim he was tricked and manipulated doesn’t sound valid to me.” Shea, in his Thursday court filing, suggested the FBI officials were “fishing for falsehoods merely to manufacture jurisdiction over any statement.” In Shea’s view, Flynn’s lies were less germane to the prosecution than the FBI “lack[ing] sufficient basis to sustain its initial counterintelligence investigation,” and its pre-interview position that it ought to close the investigation before speaking with the then national security adviser.Former FBI deputy head Andrew McCabe said on Thursday that the suggestion there was no reason to interview Flynn was “patently false, and ignores the considerable national security risk his contacts raised.” He said Flynn’s lies added to the FBI’s concerns about his relationship with Russia. “Today’s move... is pure politics designed to please the president,” he added.U.S. Attorney Jeff Jensen, who was appointed by Barr to review Flynn’s and other high-profile cases, said on Thursday that he concluded “the proper and just course” was to dismiss the case. “I briefed Attorney General Barr on my findings, advised him on these conclusions, and he agreed,” he said.The FBI Didn’t Frame Michael Flynn. That’s Just Trump’s Excuse for a Prospective Pardon.While serving as national security adviser, Flynn misled FBI interviewers about conversations he had with the then-Russian ambassador, Sergei Kislyak. In one of those late 2016 conversations, according to court filings, Flynn asked the Russians to avoid escalatory actions in response to sanctions and diplomatic expulsions then President Barack Obama enacted as reprisal for Russian electoral interference. Shea, in his filing, called Flynn’s Kislyak calls “entirely appropriate on their face.”The national security adviser’s lies prompted the holdover attorney general, Sally Yates, to warn the White House that Flynn had given the Russians leverage to blackmail him. But it would take weeks before Trump fired Flynn over “an eroding level of trust” concerning misleading Vice President Mike Pence on the Kislyak contacts. By May, Trump was said to have regretted dismissing the general.  Flynn in 2017 agreed to cooperate with Special Counsel Robert Mueller’s investigation. The general avoided charges for taking $530,000 in unregistered money from interests connected to the Turkish government—something he only declared with the Justice Department after his downfall as national security adviser. During a sentencing hearing in 2018, a federal judge castigated Flynn for disgracing the uniform Flynn wore for three decades. “Arguably, you sold your country out,” Judge Emmet Sullivan said. Two years earlier, on stage at the Republican national convention, Flynn had led a chant of “lock her up” about Hillary Clinton. Protesters outside Flynn’s courtroom did not let the general forget it. Trump’s enduring bond with Flynn is a testament to the importance of the role the general played in 2016.A host of national security officials, many aligned with the Republican Party, rejected Trump in 2016 as unfit to be president owing to his nativism, his penchant for brutality and his benign view of dictators like Russia’s Vladimir Putin. Flynn was the exception. And the general was an exceptional figure. As the intelligence chief for the Joint Special Operations Command during the mid-2000s, Flynn is one of a select few people who can be said to have personally prosecuted the most sensitive missions of the war on terror. Michael Flynn Putting Mueller Deal at Risk in ‘Dangerous’ New TrialIt was a pivotal credential in another way. Flynn emerged from the war on terror endorsing Trump’s view that the security apparatus, abetted by hidebound liberals and cowardly conservatives, had neutered the war on terror by refusing to see it was a civilizational conflict with Islam. “Islam is a political ideology” that “hides behind this notion of being a religion,” Flynn told the Islamophobic group ACT for America shortly after the 2016 convention. His hostility to Islam informed his sanguine view of Russia, which both Flynn and Trump saw as naturally aligned with the U.S. against what they called “Radical Islamic Terror.”It also meant that Trump and Flynn shared a common bureaucratic enemy. James Clapper, then the director of national intelligence, was a lead architect of an intelligence assessment finding Russia intervened in the election on Trump’s behalf. In 2014, Clapper fired Flynn as director of the Defense Intelligence Agency. It was deeply embittering. Just four years earlier, Flynn had been hailed as an innovator after claiming U.S. military intelligence had misunderstood the Afghanistan war. While Flynn portrayed himself as a martyr, victimized by the ‘Deep State’ for daring to warn about radical Islam, Clapper and other intelligence leaders had fallen out with Flynn over what they considered an incompetent management style and an iffy relationship with the truth. Reportedly, Flynn believed Iran was involved in the 2012 assault on a CIA compound in Benghazi that killed four Americans, and claimed incorrectly that Iran was responsible for more American deaths than al-Qaeda. Aides referred to such untruths as “Flynn facts.” Flynn facts did not disturb Trump. They validated his instincts on national security. Trump rewarded Flynn by making him national security adviser, one of the most important positions in the U.S. security apparatus. It was the first time Trump redeemed Flynn. Thursday’s dropped charges represent the second. Read more at The Daily Beast.Get our top stories in your inbox every day. Sign up now!Daily Beast Membership: Beast Inside goes deeper on the stories that matter to you. Learn more.

Gregory McMichael and his son, Travis, were charged with murder and aggravated assault in relation to the shooting death of Ahmaud Arbery in February.

As businesses slowly reopen, experts warn that social distancing may need to be dialed back up: ‘It’s not an on-off switch’ * Coronavirus – latest US updates * Coronavirus – latest global updatesSome California businesses on Friday began opening their doors for business – at least partially.As states and counties across the nation contend with pressure to lift the stay-at-home measures that have destroyed local economies, California is taking an especially cautious approach, walking a fine line between political and economic pressure to reopen and the public health imperative to stop the spread of disease.Public health experts told the Guardian that while no US state was equipped with enough coronavirus testing and surveillance to feel fully confident reopening, California’s slow, piecemeal recovery plan – though far from perfect – seemed like the least risky option. The planSeven weeks after the governor, Gavin Newsom, ordered his 40 million constituents to shelter in place and all non-essential businesses to close, California on Friday entered phase two of its grand reopening plan.Some retail stores, including bookshops, florists, music stores, clothing and sporting goods retailers, can reopen if they organize curbside pickup. Some manufacturing and logistics in the retail supply chain can restart as well, as long as they follow safety and hygiene protocols. And local authorities are allowed to ease regulations further than the state guidelines if they meet certain testing and sanitation requirements.Phase three of the plan – potentially months away – could see salons, gyms, movie theaters and in-person church services resume. Phase four would end all restrictions. The timingFriday’s reopenings come as California has avoided the surge of infections states like New York have seen. And although California has seen more than 61,000 cases and 2,500 deaths, its hospitals have not been overwhelmed.Last week, state officials reported the first week-over-week decline in Covid-19 deaths.The new guidelines also follow small but sustained protests across the state to demand a relaxation of regulations to revive the state’s crippled economy, and some rural counties have partially reopened in defiance of the lockdown measures. The caveatsHowever, California still hasn’t seen the two weeks of declining cases that the White House suggested as a criterion for easing restrictions and that several European countries have used as a benchmark.The state also lacks the robust testing and tracking systems that countries such as Germany and South Korea have used.The state has ramped up its ability to administer and process tests, although for now, its rate of 29,414 tests a day is below the figure required by some analyses.Authorities are working to put a robust contact tracing effort in place to make sure those who test positive get the care they need and are able to isolate themselves until they recover. Although some counties and communities have spearheaded community-wide testing and tracing programs, overall, the state isn’t at the point where its system is as widespread or efficient as a country like Germany’s.Experts say California should also have a system in place to make sure vulnerable, unhoused populations have access to shelter and medical care – to prevent infection flare-ups in homeless shelters and encampments. Progress on those measures heavily varies county by county.And ideally, there would be a treatment or a vaccine before reopening, said Dr Richard Jackson, a professor emeritus at the UCLA Fielding School of Public Health and the former head of the California department of public health. While we await a cure, Jackson cautioned, “no one should feel completely safe as we remove restrictions.” The trade-offsCalifornia’s reopening strategy stands in sharp contrast to the approach of states like Georgia, which suddenly allowed gyms, barber shops, hair salons, tattoo parlors and bowling alleys to welcome customers last week.“What certain places have done, where they’ve just thrown open the doors and said, ‘OK, we don’t have to keep our distance any more,’ is a colossal mistake,” Jackson said. Reopening businesses that put lots of people into close contact and speed the spread of disease will reverse the success of shelter-in-place rules, he noted, and overwhelm hospitals as cases surge. “Doing it very cautiously and carefully does make sense at this point in time,” he said.“I get that governors have to balance the public health goals with the economic goals,” said Dr Robert Tsai, surgeon and health policy researcher at Brigham and Women’s hospital in Boston and the Harvard TH Chan School of Public Health. “But this stage of the pandemic is really all about trade-offs,” he noted. The weeks aheadIn the coming weeks, state and local leaders will have to watch closely and prepare to dial the distancing back up if the number of cases surges, said Tsai.“Social distancing isn’t an on-off switch. What it needs to be is a dial, which can be turned up or down depending on what the data show on the ground in terms of how the Covid-19 epidemic is progressing.“Reopening is going to be a very complicated process, and it should be complicated,” he added. “Because this is about making sure that people don’t end up in the hospital or dying.”That California’s plan allows for counties to maintain stricter distancing guidelines or ease up measures could be both a strength and a liability.The flexibility has allowed hotspots like the Bay Area and Los Angeles to take a more cautious approach, but it has also already caused confusion. In San Diego, where curbside shopping has already begun, business owners were unsure what, if anything, would change on Friday. In Bakersfield, restaurants allowed patrons to dine in on Monday and Tuesday, in defiance of the state’s guidelines.A hodgepodge reopening could cause surges in cases; Californians who travel between more lax and more strict counties could spread infections. Moreover, a rush to reopen fast in some areas could be counterproductive to economic recovery, said Alessandro Rebucci, an economist at the Johns Hopkins Carey School of Business.“If you reopen when the pandemic is still out there, people and businesses will not just go back to normal,” Rebucci noted. Based on research from China, it seems clear that fear of contracting the illness will keep businesses owners and patrons home until they feel it’s safe enough, he said.

Disposable masks can be used more than once, but it's important to make sure the mask isn't carrying coronavirus.

(École de technologie supérieure) The first ever standard for real-time calculation of pollutant emissions allocated to the use of information and communication technologies (ICT) was recently introduced, thanks to the work of the IEEE ICT Emissions Working Group Committe, chaired by Mohamed Cheriet, a Professor in the Systems Engineering Department at École de technologie supérieure. Under the auspices of the IEEE Standards Association, the Working Group Committee is made up of researchers from diverse backgrounds and many different countries.

(Damon Runyon Cancer Research Foundation) The first class of Damon Runyon Quantitative Biology Fellowship Awardees launched their research in novel directions that may lead to the next breakthroughs in cancer research. Nine brilliant young scientists will apply their quantitative skills to design innovative experiments and interpret massive data sets that may help solve important biological and clinical problems.

Climate change could mean mosquitoes that can carry diseases like dengue, zika and yellow fever become established in southern Europe within 10 years.

A new study led by The Royal Marsden involving Imperial will use artificial intelligence (AI) to help cancer patients during the COVID-19 pandemic.

(Medical College of Georgia at Augusta University) Lynn Tran, a student in the University System of Georgia MD/PhD program at the Medical College of Georgia at Augusta University, has received a Louise McBee Scholarship from the Georgia Association for Women in Higher Education.

(George Mason University) Nathan Sleeter, Research Assistant Professor, Roy Rosenzweig Center for History and New Media (RRCHNM), is directing a project in which RRCHNM will create three classroom simulations based on events from the history of diplomacy for secondary education instructors.

(American Geriatrics Society) The American Geriatrics Society (AGS) and AGS Health in Aging Foundation today announced that Alexander K. Smith, MD, MPH, an associate professor of medicine at UCSF and one of geriatrics' most influential rising researchers and advocates, will be honored with the 2020/2021 Thomas and Catherine Yoshikawa Award for Outstanding Scientific Achievement in Clinical Investigation.

(Institute of Atmospheric Physics, Chinese Academy of Sciences) Scientists investigate how nitrogen dynamics affects carbon and water budgets in China by incorporating the terrestrial nitrogen cycle into the Noah Land Surface Model.

(The Korea Advanced Institute of Science and Technology (KAIST)) A research team led by Distinguished Professor Sang-Yup Lee reported the production of a microbial strain capable of the massive production of succinic acid with the highest production efficiency to date. This strategy of integrating systems metabolic engineering with enzyme engineering will be useful for the production of industrially competitive bio-based chemicals.

(Purdue University) New environmentally friendly technologies promise to be 'game changers' in the rare earth metals field and enable the US to create a more stable and reliable domestic source of these essential metals. Purdue University patented extraction and purifying processes using ligand-assisted chromatography are shown to remove and purify such metals from coal ash, recycled magnets and raw ore safely, efficiently and with virtually no detrimental environmental impact.

(American Geriatrics Society) The COVID-19 pandemic has placed unprecedented pressure on societies worldwide, given the pandemic's rapid, often deadly spread. In health care, the pandemic has raised the pressing question of how society should allocate scarce resources during a crisis. This is the question experts addressed today in a new position statement published by the American Geriatrics Society (AGS) in the Journal of the American Geriatrics Society (DOI: 10.1111/jgs.16537).

(Crime and Justice Research Alliance) A new study evaluated the effects of legalizing cannabis on police officers' law enforcement efforts in Washington. The study found that officers in that state, although not supportive of recriminalization, had a variety of concerns, from worries about the effect on youth to increases in impaired driving. The study can inform other states' efforts to address legalization.

(American Association for the Advancement of Science) While an effective vaccine for the SARS-CoV-2 virus is likely many months away, development could be accelerated by conducting controlled human infection (CHI) studies -- which are increasingly being considered by the scientific community due to the urgent need.

(University of Tsukuba) Researchers from the University of Tsukuba discovered that fish schools showed a significant change in behavior with varying school sizes. Using integrated information theory, they showed that a significant change in the interaction between the fish and the overall collective behavior occurred between three- and four-fish schools, including the emergence of leadership within the group. These findings help understand the dynamics of collective behavior.

(University of Huddersfield) A team of researchers received funding of almost £130,000 to work with a group of women in Zambia and create songs that warn against the dangers of the coronavirus -- and now New York wants to hear them.

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