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Stephen Hawking, the brilliant British theoretical physicist who overcame a debilitating disease to publish wildly popular books probing the mysteries of the universe, has died, according to a family spokesman. He was 76.Considered by many to be the world's greatest living scientist, Hawking was also a cosmologist, astronomer, mathematician and author of numerous books including the landmark "A Brief History of Time," which has sold more than 10 million copies.Celebrity deaths of 2018: Remembering those we've lost this yearWith fellow physicist Roger Penrose, Hawking merged Einstein's theory of relativity with quantum theory to suggest that space and time would begin with the Big Bang and end in black holes. Hawking also discovered that black holes were not completely black but emit radiation and would likely eventually evaporate and disappear."A star just went out in the cosmos," Lawrence Krauss, a theoretical physicist and cosmologist, wrote on Twitter. "We have lost an amazing human being."Hawking suffered from ALS (amyotrophic lateral sclerosis), a neurodegenerative disease commonly known as Lou Gehrig's Disease, which is usually fatal within a few years. He was diagnosed in 1963, when he was 21, and doctors initially only gave him a few years to live.The disease left Hawking wheelchair-bound and paralyzed. He was able to move only a few fingers on one hand and was completely dependent on others or on technology for virtually everything -- bathing, dressing, eating, even speech.Hawking used a speech synthesizer that allowed him to speak in a computerized voice with an American accent."I try to lead as normal a life as possible, and not think about my condition, or regret the things it prevents me from doing, which are not that many," he wrote on his website."I have been lucky that my condition has progressed more slowly than is often the case. But it shows that one need not lose hope."Hawking was married twice. He and his first wife, Jane Wilde, wed when he was still a grad student and remained together for 30 years before divorcing in 1995. Hawking was later married for 11 years to Elaine Mason, one of his former nurses.Hawking was born in Oxford, England, on what turned out to be an auspicious date: January 8, 1942 -- the 300th anniversary of the death of astronomer and physicist Galileo Galilei.In an exclusive interview with CNN in October 2008, Hawking said that if humans can survive the next 200 years and learn to live in space, then our future will be bright."I believe that the long-term future of the human race must be in space," Hawking told CNN's Becky Anderson."It will be difficult enough to avoid disaster on planet Earth in the next 100 years, let alone next thousand, or million. The human race shouldn't have all its eggs in one basket, or on one planet. Let's hope we can avoid dropping the basket until we have spread the load."At Cambridge, he held the position of Lucasian Professor of Mathematics -- the prestigious post held from 1669 to 1702 by Sir Isaac Newton, widely considered one of the greatest scientists in modern history.Yet Hawking once said if he had the chance to meet Newton or Marilyn Monroe, he would opt for the movie star.Hawking became a hero to math and science geeks and pop culture figure, guest-starring as himself on "Star Trek: The Next Generation" and "The Simpsons." His life was dramatized in the 2014 movie, "The Theory of Everything."He had at least 12 honorary degrees and was awarded the CBE in 1982. A CBE, or Commander in the Most Excellent Order of the British Empire, is considered a major honor for a British citizen and is one rank below knighthood.Despite being a British citizen he was awarded the Presidential Medal of Freedom, the US's highest civilian honor, in 2009 by President Barack Obama.In September 2016 Hawking joined 375 "concerned" scientists in penning an open letter criticizing then-presidential candidate Donald Trump, citing the threat of climate change and blasting his push for the US to leave the Paris Accord.Fellow scientists hailed Hawking for his work and influence in the field."His passing has left an intellectual vacuum in his wake," tweeted Neil deGrasse Tyson. "But it's not empty. Think of it as a kind of vacuum energy permeating the fabric of spacetime that defies measure."Hawking leaves behind three children and three grandchildren. "We are deeply saddened that our beloved father passed away today," Hawking's children, Lucy, Robert and Tim, said in a statement. "He was a great scientist and an extraordinary man whose work and legacy will live on for many years. His courage and persistence with his brilliance and humor inspired people across the world.""He once said, 'It would not be much of a universe if it wasn't home to the people you love.' We will miss him forever."The-CNN-Wire 4846

TAMPA — Wearing masks is one of the most important ways to prevent the spread of COVID-19 — and health experts say everyone should continue to care for their face coverings to ensure protection when in public.After wearing a mask for a few months, doctors say there are some clear, tell-tale signs that it is no longer working correctly."When the edges start to fray or if the pieces where they connect start to fall apart, or if they are visibly soiled, then you should really get a new mask," said Dr. Tracey Taylor, the associate dean of USF College of Nursing.Experts also say that if a mask no longer fits over the nose or doesn't have a close fit around the face or chin, it's time to get a new one."It's super important to make sure your mask is fitting appropriately, that it's not visibly soiled, that the edges aren't frayed and that the attachments to the ear loops or tie backs — whatever type you're wearing — is appropriately attached," Taylor said.For those who own cloth masks, experts say owners need to remember to wash them. Experts say washing cloth mask with detergent or soap is best and that they don't need to be washed with super hot water. Those who own cloth masks with filters should remove the filter and clean it separately.However, there's another option."You can put them in a paper bag and seal it up for a couple of days. That'll inactivate any virus that's on it," said Dr. Marissa Levine, a professor of public health practice at USF.After several months, experts say they have more information about which masks are effective in preventing the spread of COVID-19.Cloth masks are most effective when they have at least three layers of material or a spot to add a filter. They're typically the easiest for the general public to use because they're reusable, and doctors say the research shows they mostly prevent the spread of the virus.Although any face covering is better than none, some aren't as effective in preventing the spread of COVID-19.Experts say bandanas are very thin and don't offer the same type of protection as a mask.Doctors say any mask with a valve on it is completely ineffective because the valve allows virus-carrying particles to leak out.Popular neck gaiters that wearers can easily pull up and down don't provide a lot of protection for the wearer or those around them."If you find yourself with a single layer, you could use something like a paper towel inside there to add an extra layer if you need to," Levine said.Experts advise keeping two masks on hand in case one gets lost or breaks."There's no one thing that we do that will protect us to the highest level. It's a series of things," Levine said.This story was originally published by Larissa Scott on WFTS in Tampa, Florida. 2755

The Barron County Sheriff said the possible sighting of a missing and endangered Wisconsin teen in Miami, Florida doesn't appear to be credible. An AMBER Alert was issued Monday afternoon for 13-year-old Jayme Closs after her parents were found dead in their home. Gas station surveillance video from Miami shows the girl a witness thought to be Jayme. The FBI has yet to confirm it was. Barron County Sheriff Chris Fitzgerald indicated Tuesday it isn't credible. A witness claims to have seen Jayme inside this black SUV with Wisconsin plates Monday afternoon at a Miami gas station. That's 1,700 miles away from where Jayme's last confirmed sighting Sunday afternoon in her hometown. Surveillance video briefly shows a teenage girl sitting in the front passenger seat as the driver pulled up to a gas pump. She doesn't appear to be restrained at the time. Moments before, a man got out of that same vehicle and walked up to another SUV and a truck to talk with others. Miami police shared the possible sighting via social media on Monday night. "We are actively researching that tip," said Fitzgerald. Fitzgerald appeared frustrated at news conference Tuesday that Miami police released information about a possible tip. "Every tip continues to be followed up on and if it's something we need to get out to you, you will get that information and it will come directly from me out to you," Fitzgerald said. Authorities were first alerted to Jayme's disappearance early Monday morning when a 911 call led sheriff's deputies to her home in Barron. Jayme's parents were found shot to death. Fitzgerald is asking Barron County residents to keep an eye out for others acting out of character. He said they've questioned a lot of people while following up on tips, however Jayme is still believed to be missing and in danger. 1883

Stores are unveiling their plans for the most critical days of the holiday shopping season.Here's a look at what major retailers have said about their hours for Thanksgiving Day and Black Friday. This list will be updated.JCPenneyJCPenney will open at 2 p.m. on Thanksgiving Day. Its stores will stay open until 10 p.m. the following day. Online sale prices will start four days ahead, on November 19.KmartKmart stores will open at 6 a.m. on Thanksgiving and will stay open until 10 p.m. on Black Friday. Some stores will close at midnight or 2 a.m. on Friday and reopen at 6 a.m.Macy's Macy's will open most of its full department stores at 5 p.m. on Thanksgiving. The company is also highlighting deals that will only be available at certain hours.PetSmartPetSmart will be closed on Thanksgiving, but will open on Black Friday at 7 a.m. The pet retailer will stay open until 9 p.m., and doorbuster deals will run from open until noon.SearsSears says most of its stores will be open from 6 p.m. to midnight on Thanksgiving, though some will be closed for the holiday. All stores will reopen at 5 a.m. on Black Friday.TargetTarget's Black Friday event starts at 6 p.m. on Thanksgiving. New this year: Stores will close that night at midnight and reopen Friday at 6 a.m.  1283

Suspended Ohio State head football coach Urban Meyer apologized on Friday, two days after Meyer failed to apologize to Courtney Smith, the ex-wife of fired OSU assistant coach Zach Smith.Meyer was suspended for three games on Wednesday by Ohio State's Board of Trustees and university president Michael Drake for mishandling notifying the university of allegations that Zach Smith had assaulted his wife in 2015. Meyer claimed to investigators that he had forgotten about the allegations as university officials claimed Meyer was bound by his contract to notify the department's compliance office of possible crimes involving his staff. At a news conference on Wednesday where Meyer's punishment was announced, Meyer was asked if he had anything to say to Courtney Smith. "I have a message for everyone involved in this. I'm sorry that we are in the situation. And I'm just sorry we are in this situation," Meyer replied, without mentioning Courtney Smith by name. After being criticized for failing to address Courtney Smith, Meyer issued a statement on Friday, apologizing to her.  1116

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