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A new study takes a closer look at the impact the amount of time children spend on cell phones, computers and TV is having on their brains.“What they're finding, or what they're reporting, is that more screen time--in fact a lot of screen time, around 7 hours a day--is associated with changes in the brain and changes in cognition,” says Rachel Barr, a developmental psychologist.Dr. Barr studies the impact TVs, computers and cell phones can have on young children.Kids between the ages of 8 and 12 spend generally six hours a day, while teens are spending nearly nine hours.While Dr. Barr agrees too much time can have negative impacts, she points out what children watch on their devices matter.“Exposure to education programing in younger children is associated with better outcomes and especially for children who are growing up in low resourced communities,” Dr. Barr explains.As for what parents can do: set time limits and ground rules, like keeping screens out of the bedroom, which can make it easier for children to fall and stay asleep.“Setting up this family media plan, being mindful of your own media use and your child's media use, even though you're being bombarded by all of these changes in media yourself,” suggests Dr. Barr. 1254

A new technology is coming to airports to help with passenger screening from home to plane. Denver International Airport will soon be the first to test Daon’s IdentityX platform. It creates a digital identity for each passenger that can be used at kiosks and e-gates, then help travelers schedule times to go through security and get to terminals.That digital identity, called Glide, will also include biometric data and be used for passengers to show their health status using a badge on their cell phone. Down the road, the platform could also mean touchless payments at stores and restaurants.“So what we're trying to do is allow people before they come to the airport, maybe for the first time or maybe for every time, to really begin to feel confident that they can control the time and space elements of their journey,” said Chris McLaughlin, Chief Operating Officer at Denver International Airport.The same technology can be used to improve safety for the thousands of staff and TSA officers that come and go from the airport every day. 1051

A top trending video on YouTube Wednesday suggested an outspoken survivor of the mass shooting at Marjory Stoneman Douglas High School is an actor.Calls by student David Hogg for stricter gun laws in the days after last week's massacre have made him the subject of smear campaigns and demonstrably false conspiracy theories."I'm not a crisis actor," Hogg told CNN's Anderson Cooper on "AC360" Tuesday. "I'm someone who had to witness this and live through this and I continue to be having to do that."  515

A New York judge dismissed count 6 of Harvey Weinstein's criminal indictment Thursday, which was a criminal sexual act in the first degree.The count stems from charges brought forth against the disgraced movie producer in May by Manhattan District Attorney's Office.A source familiar with the investigation told CNN at the time that the criminal sex act charge was from a case involving aspiring actress Lucia Evans, who alleged Weinstein forced her to perform oral sex on him in his Tribeca office in 2004. She first spoke out about the alleged incident to Ronan Farrow in the New Yorker last fall.Carrie Goldberg, an attorney for Evans, spoke to reporters outside the court in lower Manhattan following the dismissal, and said the prosecution "jumped ship" and "ultimately she was caught between the middle of a feud between the NYPD and the DA's office."Goldberg added that despite District Attorney Cy Vance not opposing a motion to dismiss the charges against Weinstein, her client's claims remain and this "does speak to a system desperate in need of reform.""People always ask why don't sexual assault survivors come forward, this is why. Today is why," Goldberg said. Goldberg detailed how prosecutors used Evans for months and "put her through needless torture."The attorney said her client will continue her fight in other venues."Victims are becoming warriors and this is just the beginning," she added.Weinstein had previously pleaded not guilty to the six sex crimes he's been charged with in New York, including two counts of rape.Weinstein's bond was set at million and he is required to wear a GPS monitoring system and is only allowed to travel within New York state or Connecticut.Weinstein is also under investigation for alleged sex crimes in Los Angeles and London.CNN has reached out to Weinstein's representatives for comment. 1861

A routine trip to Walmart turned into a nightmare for a Maryland woman, but now she is using her negative experience to help others. Cynthia Morales and her boyfriend Linwood Boyd, who are both blind, were at the self-checkout lane at the Walmart in Owings Mills, Maryland in late July 2017 when they asked an employee for help. While the self-serve kiosks do issue some spoken prompts, it was still a challenge for Morales and Boyd to check out. A Walmart employee helped the pair finish their transaction, but unbeknownst to Morales and Boyd, they requested in cashback, which the employee pocketed. Because no audio prompt gave them a total of their transaction, the couple had no idea this happened until the machine told them to take the cash. Unable to check their receipt, the couple asked someone outside of the store to read them it and discovered they had been charged the extra . The money was returned, but Morales and Boyd decided to shop at another nearby Walmart from then on. Because of their experience at the Walmart, they are teaming up with Melissa Sheeder — another blind Marylander — the National Federation of the Blind (NFB) and the National Federation of the Blind Maryland to sue Walmart under the Americans with Disabilities Act. “What happened to Cindy Morales is an extreme example of what can occur when companies like Walmart deploy inaccessible self-checkout or point-of-sale technology,” said Mark Riccobono, President of the National Federation of the Blind. “The real problem is that Walmart has decided to treat blind customers differently from sighted customers. Walmart’s refusal to deploy readily available technology to give blind shoppers the same choice sighted shoppers have — whether to check ourselves out or visit a cashier —makes us second-class customers. That is unlawful and unacceptable.”The lawsuit is asking for the Maryland federal district court to order Walmart to make its self-service checkout kiosks fully accessible to blind shoppers. The NFB says they have offered to work with Walmart to make their kiosks accessible but they declined the offer. Walmart officials released the following statement regarding the lawsuit: 2276