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Missing Las Vegas hotel worker reappears ... on 'The Ellen DeGeneres Show'
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The Mandalay Bay hotel security worker who reportedly vanished ahead of press interviews turned up on The Ellen DeGeneres Show on Tuesday. - photo by Herb Scribner
The Mandalay Bay hotel security worker who reportedly vanished ahead of scheduled press interviews last week turned up on The Ellen DeGeneres Show on Tuesday, where he taped his first public account of the events of the Las Vegas shooting.

Jesus Campos, the security worker who allegedly went missing, was joined by maintenance worker Stephen Schuck.

Campos said he went to check on a room on the 32nd floor of the hotel where he was immediately met with gunfire, according to the Las Vegas Review-Journal, which published transcripts of the interview.

Campos said he was patrolling on the 31st floor when he was told to check out a door left ajar on the 32nd floor, CNN reported. But the door to the 32nd floor was jammed in the stairwell, so he took the elevator up the shooter's floor.

He heard drilling sounds upon reaching the 32nd floor.

As I was walking down, I heard rapid fire, and at first I took cover, Campos said. I felt a burning sensation. I went to go lift my pant leg up and I saw the blood. Thats when I called it in on my radio that shots have been fired.

Schuck detailed how he arrived on the 32nd floor and saw Campos laying on the ground. He immediately took cover after Campos yelled at him.

He yelled at me, and within milliseconds, if he didnt say that, I would have got hit. I wasnt fully in cover, and (shots) were passing behind my head and I could feel the pressure, Shuck said.

Campos originally was scheduled to speak to the press last Thursday, but reportedly vanished from after a meeting he had with MGM officials, who own the Mandalay Bay hotel.

Campos has been the subject of much intrigue over the last few days, according to The Washington Post. The security worker was the first person to see shooter Stephen Paddock, the lone gunman who killed 58 people and injured 500 more on the Oct. 1 shooting.

Contradictory statements from police and hotel officials about when he arrived at the gunmans room raised questions about the speed of the response from law enforcement and stoked conspiracy theories about the attack, according to The Washington Post.

As the Deseret News reported, the timeline initially said Campos was shot at 9:59 p.m., a handful of minutes before the shooting began. Later, officials reworked the timeline to show that he had been shot at about the same time the shooting began.
Its toxic: New study says blue light from tech devices can speed up blindness
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A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers. - photo by Herb Scribner
It turns out checking Twitter or Facebook before bed is bad for your health.

A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers.

That process can lead to age-related macular degeneration, which is a leading cause of blindness in the United States, according to the researchs extract.

Blue light is a common issue for many modern Americans. Blue light is emitted from screens, most notably at night, causing sleep loss, eye strain and a number of other issues.

Dr. Ajith Karunarathne, assistant professor in the UT Department of Chemistry and Biochemistry, said our constant exposure to blue light cant be blocked by the lens or cornea.

"It's no secret that blue light harms our vision by damaging the eye's retina. Our experiments explain how this happens, and we hope this leads to therapies that slow macular degeneration, such as a new kind of eye drop, he said.

Macular degeneration is an incurable eye disease that often affects those in their 50s or 60s. It occurs after the death of photoreceptor cells in the retina. Those cells need retinal to sense light and help signal the brain.

The research team found blue light exposure created poisonous chemical molecules that killed photoreceptor cells

"It's toxic. If you shine blue light on retinal, the retinal kills photoreceptor cells as the signaling molecule on the membrane dissolves," said Kasun Ratnayake, a Ph.D. student researcher working in Karunarathne's cellular photo chemistry group. "Photoreceptor cells do not regenerate in the eye. When they're dead, they're dead for good."

However, the researchers found a molecule called alpha-tocopherol, which comes from Vitamin E, can help prevent cell death, according to Futurism.

The researchers plan to review how light from TVs, cellphones and tablet screens affect the eyes as well.

"If you look at the amount of light coming out of your cellphone, it's not great but it seems tolerable," said Dr. John Payton, visiting assistant professor in the UT Department of Chemistry and Biochemistry. "Some cellphone companies are adding blue-light filters to the screens, and I think that is a good idea."

Indeed, Apple released a Night Shift mode two years ago to help quell blue lights strain on the eyes, according to The Verge. The screen will dim into a warmer, orange light that will cause less stress on the eyes.