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School lockdown. It's a term that has become far too common in America. An analysis by the Washington Post found more than 4.1 million students were involved in at least one lockdown in the 2017-2018 school year. One million of those students were in elementary school. Just this month, a lockdown at Sandy Hook Elementary occurred on sixth anniversary of the nation's worst school massacre in history. Another this month happened at Columbine High School. "Being able to have the capacity to lockdown a school effectively is a really important safety tool,” says Amanda Klinger, a school safety educator and advocate. Klinger says although school lockdowns are needed, how they are conducted can be traumatic for students. “There is a cost,” she explains. “There is a cost to emotional anxiety cost.” Data shows 15 percent of all school lockdowns are related to threats, including bomb threats. Another 15 percent is related to police manhunts, and at least 61 percent were related to firearms. Klinger says for student’ mental well-being, we have to do better job communicating why they’re going on lockdown. She says schools should be more transparent with students, parents, and staff to help them better understand the situation and not promote panic. “We're going into a level 1 lockdown because they're serving a warrant in the neighborhood, so everyone can go, ‘OK, I’m not going to die today, probably, but we're just not going to go outside for recess,’" she says. Klinger says we should empower instead of intimidate. 1543

ST. LOUIS, Mo. – Mesmerized by living history five shows a day, five days a week, one man steps into a cinema hall to keep a century old tradition alive. Inside theater three of the Chase Park Plaza Cinema in St. Louis, Gerry Marian represents a throwback to the movie houses of yester-year. “It is my passion. I love it. I really love it,” said Marian. At 70 years old, he is among the last working cinema organists in the country. When asked what it’s like to sit down at the classic organ, Marian says he’s transported far away. “I’m like in a different world,” he said. For the last 20 years, Marian has played an electronic orchestral instrument for audiences between movie showings, a preamble to the latest Hollywood picture. “This past October, we did ‘Phantom of The Opera’ and we had 130 people here on Saturday and 110 people here on a Sunday,” explained Marian. The theater organ also known as a “unit orchestra” can mimic a host of sounds from flutes and oboes, to strings and percussion. “It's an orchestra in one,” said Marian. From the early days of the nickelodeon until the dawn of talkies, theater organs were a fixture in nearly all grand cinema palaces. They were originally designed to allow musicians like Marian to have all the instruments at their fingertips. “These theater organs basically were intended to do the silent movie, to complement the silent movie,” said Marian. Marian committed his life to the art after seeing legendary theater organist Stan Kann play at St. Louis’ famous Fox Theater in 1961. “My dad took me up there and I told him right then and there that this is what I want. This is my vocation,” he says. More than 50 years later, Marian says he has no plans to stop playing just yet.“I don't know. But I love doing it. It's my life. It's my love.” 1813

Tattoos have been around for thousands of years, primarily as an artform. But what if they had a purpose, beyond just aesthetics? “I think that we can upgrade tattoo inks to give people new abilities,” says Carson Bruns, a mechanical engineer professor at the University of Colorado. Bruns is also a tattoo aficionado. "I got my first tattoo when I was 19 years old, and I’ve been addicted to tattoos ever since," Bruns says.He spends his days in a lab, working to bring an ancient artform into the 21st Century. "My idea is that, by adding new function, new properties to the tattoo inks, that tattoos could potentially be used for more than just art," he says. Bruns is focused on a specific type of tattoo ink, one that would embed tiny microcapsules filled with certain material underneath the skin. One of his most promising developments would fill those capsules with UV dye. It’d essentially be a tattoo that tells you when you need to apply sunscreen. "So our tattoo, anytime you can see it, anytime it's visible to you, that's a sign your skin is dangerously exposed to UV light and its increasing your risk to skin cancer,” Bruns explains. Other types of inks would be heat-sensitive, like the squares he's tested on his own skin. Those would only appear when your body reached a certain temperature. "A tattooable thermometer, made of these heat sensitive tattoo inks could be a way to make it more accessible for people to read their body temp and check up on their own health," he says. Bruns says the possibilities are endless. "I like to joke tattoos can give you superpowers,” he says. “They can give our skin new properties we don't currently have."Bruns hopes that one day, we might even be able to come up with tattoo inks that could conduct electricity or even tell us our blood sugar or blood alcohol levels. 1843

A Georgia homeowner shot and killed three masked teens as they approached his residence with their faces covered, authorities said.The three teens, one 15-year-old and two 16-year-olds, were all from the area but did not live in the specific neighborhood they were in, the Rockdale County Sheriff's Office said.The teens approached three residents at the front yard of a home early Monday morning and attempted to rob them, authorities say. One of the would-be robbers took out a gun and fired shots at them, before one of the residents returned fire."The victims of the attempted robbery were all uninjured, but the three attempted robbery suspects were all shot during the exchange of gunfire and succumbed to their injuries, one on scene and two at a local hospital after being transported," the sheriff's department said in a press release.One neighbor told CNN affiliate 887

A Delta pilot was taken off a fully boarded plane on Tuesday morning at the Minneapolis-Saint Paul International Airport and arrested on suspicion of being under the influence of alcohol, airport spokesman Patrick Hogan told CNN.The pilot, 37-year-old Gabriel Lyle Schroeder from Rosemount, Minnesota, was arrested a little after 11 a.m. local time after an investigation was conducted by airport police, Hogan said.Before getting on the plane, Schroeder was seen leaving a TSA screening line for crew members when he noticed there was additional screening being conducted, the spokesman said."The individual left the line, which drew suspicion," Hogan said. Schroeder later went back into the screening line and boarded the plane.Authorities found a container of alcohol in Schroeder's possession once he was taken into custody. Hogan declined to provide additional details to CNN about what kind of alcohol was confiscated.There are no formal charges against Schroeder at this time and any formal complaint is pending as investigators await toxicology results, which may take as long as a week, Hogan told CNN. Schroeder was booked and released later on Tuesday.When reached by phone on Tuesday evening, he declined to comment to CNN.Delta cooperating with authoritiesIn a statement released to CNN, Delta spokeswoman Kate Modolo confirmed the airline is working with local authorities."Delta's alcohol policy is among the strictest in the industry and we have no tolerance for violation. Delta is cooperating with local authorities in their investigation," the statement said.Delta declined to provide any details to CNN concerning the pilot's employment record, and if there were any previous disciplinary issues.When Schroeder was arrested, the plane was fully boarded but had not yet left the gate.The passengers who had boarded the plane, Delta Flight 1728, disembarked after Schroeder was taken off the plane, Hogan said. The flight, which was due to fly from Minneapolis to San Diego, was slightly delayed."There's always a chance the plane might have taken off. There's a possibility of that," Hogan said, when asked how close the plane was to departing, and if the plane might have taken off. 2215