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Uber continues to aim for the sky.The tech company has partnered with NASA to help it develop air traffic management systems for its flying taxi initiatives, chief product officer Jeff Holden said on Wednesday. Holden made the announcement at Web Summit, a technology conference in Lisbon.Uber previously unveiled its plans to introduce flying taxi fleets, known as uberAIR, in April.The four-person ridesharing flights won't become a reality anytime soon but Holden said there are plans for demonstrations of the flying car network in Los Angeles, in addition to previously announced cities, Dallas and Dubai, in 2020.Hear Uber CPO Jeff Holden talk about their partnership with NASA: 692

TUCSON, ARIZ. — A U.S. Deputy Marshal died in the line of duty on Thursday in a shooting with a suspect.The Marshal was serving an active felony warrant around 5:30 p.m. for 26-year-old Ryan Schlesinger for stalking law enforcement when the marshal was shot on scene.The Tucson Police Department confirmed that the fallen marshal was not alone at the scene and was with other officers.After the shooting occurred, police officers responded by sending units to the scene and surrounding the house.Schlesinger surrendered to police and per the Tucson Police Department, was not injured and brought into custody without incident.The Marshal was rushed with the hospital but died from injuries.The Tucson Police Department is not releasing the name of the fallen marshal at this time, but U.S. Marshal David Gonzales, who serves the district of Arizona, is at the hospital with personnel.The department is working with federal agencies to investigate the situation and is offering their deep condolences to the marshal's family. 1032

UPS has reportedly relaxed its rules on facial hair and now allowing natural Black hairstyles.According to CNN and the Wall Street Journal, the rules on facial hair were that beards were not allowed for most employees, and the company limited mustaches to above the lip's crease.The shipping company also stated men couldn't have hair below the collar and no afros or braids.UPS geared the old guidelines more towards drivers and other staff who interacted with the public, the WSJ reported.On Wednesday, the shipping company eliminated those strict rules on people's appearance, along with gender-specific regulations, including regulations like the length of the uniform's shorts. 690

Vaccinating children has become a hot topic in the last decade, as arguments often play out on social media, leaving some parents unsure and doctors scrambling to get them the right information. Not too long ago, all mother Megan Whelan was thinking about was how to vaccinate her children."With all the information that's out there all the celebrities who are you know spreading their stories And of course all the blog posts and things you see on Facebook and all of that," Whelan said. "It can be really overwhelming."She decided to take her doctor's advice, but said it would have been nice to have other options for trusted information."I think to be able to go to one place where you can hear both sides of the story would be really interesting," Whelan said. "And you know, where you could hear from of course doctors other professionals but even just a panel of moms."Researchers wanted to know if providing parents with accurate clinical information about vaccines through a website with access to vaccine experts would impact their attitudes about them. They found out it did.Dr. Matthew Daley, a senior researcher at Kaiser Permanente, paneled a group of soon-to-be parents. His team gave some parents vaccine information from a website, others information from a website, social media, blogs, podcasts and chats, and others standard care. Daley's team found that website and social interaction improved attitudes toward vaccines in parents who were hesitant about them."Specifically their confidence in the benefits of vaccines improved," Dr. Daley said. "And then there are concerns about the risks of vaccines decreased."Dr. Daley hopes this can be a model used nationwide to address parents vaccine concerns."Parents need more information than they're able to get in a brief visit with their child's physician," Dr. Daley said. 1880

United Airlines confirmed to ABC News on Tuesday that a dog died on board a flight from Houston to New York on Monday after flight attendants requested that the passengers keep the dog in the overheard storage compartment. According to a Facebook post by passenger June Lara, the dog belonged to a family, which included a young girl, a toddler and their mother on board the flight. Lara claimed that flight attendants said the dog would be safe inside the compartment for three hours during the flight. "This little guy fought hard for his life, filling our flight with his cries until he finally ran out of breath," Lara wrote. "United Airlines does not care about the safety of their furry travelers. This poor family paid 5 for their pet to be murdered in front of them. There is no excuse for the pain this family is suffering."United Airlines told ABC News it takes responsibility for the dog's death, but could not say whether anyone would be disciplined for Monday's incident. "This was a tragic accident that should have never occurred, as pets should never be placed in the overhead bin,” United said in a statement. “We assume full responsibility for this tragedy and express our deepest condolences to the family and are committed to supporting them. We are thoroughly investigating what occurred to prevent this from ever happening again.”According to United Airline policy, dogs are permitted on board flights as long as they are kept inside a kennel, which must fit completely under the seat in front of the customer and remain there at all times. 1603