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PALM BEACH COUNTY, Fla. — For a summer treat, it doesn’t get much cooler than -320 degrees. That’s how cold liquid nitrogen is when it transforms cereal into "Dragon’s Breath."“The vapor coming out of your mouth is a nice effect," said Ron Daranty, who owns Subzero Nitrogen Ice Cream in Parkland.However, a mom in St. Augustine is warning parents of children with asthma about the fad food after her son experienced health issues from eating Dragon's Breath.“We’ve sold thousands of them since January and we never had any issue," Daranty said.Subzero employees in Parkland have always warned people to be careful with the very cold cup and avoid drinking any excess liquid nitrogen, Daranty said. But now they've added on a new disclaimer."Even though that lady was sharing the article for others that may have respiratory challenges, I thought it was great and we added it to our sign of caution. We also started making people aware of it," he said.The risk of ingesting liquid nitrogen is purely scientific. Chris Pait, of the South Florida Science Center in Palm Beach County, said the extremely cold temperature can give people frostbite in their mouth or lungs."It can evaporate away in your mouth, but if you breathe that cold air in, there’s a chance that it’s cold enough to freeze the water that’s in your lungs," Pait said. "Your lungs are a mucous membrane. They need to be moist to work the way they should, so if you freeze your lungs obviously that isn’t a good thing. That’s going to cause problems. It’s almost like frostbite internally rather than externally."That’s why the science center shows off the power of liquid nitrogen in a controlled demonstration where professionals use gloves and goggles while handling liquid nitrogen. They show children how it can freeze a balloon, send a plug flying off a beaker, and, of course, make ice cream. But they serve that ice cream in a way that's safe. “When we do ice cream, the nitrogen is just there to freeze the liquid into the more solid form so by the time they eat it, the nitrogen is gone, it’s evaporated away," Pait said.Daranty said employees are specially trained on how to handle liquid nitrogen. People who don't want to try Dragon's Breath can still enjoy regular ice cream Subzero makes using liquid nitrogen."We’re pretty cautious about it. We understand the risks with it. Corporate has standard operating procedures and we’re pretty cautious. Everyone here knows how to handle the nitrogen. 2503

PHILADELPHIA – A Scottish Deerhound named Claire was named Best in Show at the National Dog Show on Thursday.Claire won top prize at the annual Thanksgiving Day event after winning in the hound group and dazzling the judges.During the NBC broadcast, commentator David Frei said the dog was doing exactly what it was bred to do."It was built perfectly, has an active, easy gait, and is elegant in the way that Sir Walter Scott had in mind when he called the Deerhound the most perfect creature," said Frei.So Pure ??The Scottish Deerhound is the Best in Show at the #NationalDogShow pic.twitter.com/M45ein5v4G— NBC Sports (@NBCSports) November 26, 2020 Like many events this year, the dog show was held without spectators to prevent the spread of the coronavirus.In recent years, The Kennel Club of Philadelphia has conducted two separate dog shows, but this year, the club only conducted one show that was divided over two days, on Nov. 14 and 15.The competition was also limited to some 600 dogs, a decrease of 70% from the near 2,000 entries usually on hand.Tomorrow on TODAY: Meet this year’s #NationalDogShow 2020 Best in Show winner: Claire the Scottish Deerhound! @NBCSports @NBC pic.twitter.com/RXoKPWarGb— TODAY (@TODAYshow) November 26, 2020 1259

PHOENIX, Arizona — Google's self-driving car is likely going to be on the road before 2018 ends.The Waymo driverless taxi service will first be on the streets of Phoenix, Arizona, and it will launch without much government oversight — it isn't required like it is for new airplanes and medical devices, for example. Bloomberg reports it will have a new name when it launches in December. That name hasn't been made known to the public.PHOTOS: A Waymo self-driving vehicleWaymo isn't planning a big event to announce the service's debut and will start things small in order to see how it goes. People in the suburbs around Phoenix will likely be the first people to use it, which will cover about 100 square miles, Bloomberg reports.There has been a test group of 400 volunteer families riding in Waymo vehicles for more than a year. The customers who move to the service after the tests will be released from non-disclosure agreements and allowed to talk about their experiences. 1012

Police in Illinois have deemed a local man a hero after he raced to rescue a man from a burning vehicle on Sunday evening.According to the Aurora Police Department's Facebook page, a 57-year-old man rushed to the rescue after a single-car crash just after midnight on Saturday. Dash cam video from the crash shows the man dragging the driver away from the car by his legs as flames shoot out of the driver's side window.According to Aurora police, it was 58-year-old Jose Martinez who rushed out of his home to save the driver, a 34-year-old man. A second man, 29-year-old Devin Johnson, also helped by pulling the man away from the car.  "To say Jose's actions were heroic and brave are an understatement. Had he not taken immediate action, the driver would not have lived," the department wrote on Facebook. " Devin should also be commended for assuring the man was out of harm's way. Outstanding job, gentlemen." Patch Aurora reports that the driver was treated for burns and other non-life threatening injuries. He was charged with a DUI.Alex Hider is a writer for the E.W. Scripps National Desk. Follow him on Twitter @alexhider.    1190

PARADISE, Calif. (KGTV) -- NASA Friday shared photos of several major California wildfires from space. The photos shared by the agency shows the Camp, Woolsey and Hill fires as seen from a satellite. One photo appears to show the city of Paradise on fire. The town Northern California town was destroyed by the Camp Fire in less than 24 hours. LIVE BLOG: Several wildfires burning in CaliforniaSo far, the fires have killed at least 25 people with the death toll expected to rise. Hundreds of thousands of people statewide have been evacuated.  572