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Videos and photos captured the widespread damage of collapsed Miami bridge
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Emergency personnel work at the scene of a collapsed pedestrian bridge at Florida International University on Thursday, March 15, 2018, in the Miami area. The brand-new pedestrian bridge collapsed onto a highway crushing multiple vehicles and killing several people. (WTVJ NBC6 via AP) - photo by Herb Scribner
Herb Scribner
News Division
Published: Mar 17, 2018, 5:19 PM
Videos and photos of a pedestrian bridge collapse have begun to make their way online.

On Thursday, a new pedestrian bridge collapsed on a major highway in the Miami area outside of Florida International University, killing six people and injuring at least 10 people, according to the Associated Press.

"This is a tragedy that we don't want to re-occur anywhere in the United States," said Juan Perez, director of the Miami-Dade police. "We just want to find out what caused this collapse to occur and people to die."

Florida politicians listed a "stress test and loosened cables as possible factors" for why the bridge collapsed.

Several people were under the bridge when it collapsed, prompting emergency crews to load them into ambulances and begin search and rescue missions.

Social media users released videos of the incident to Twitter and Facebook in the minutes following the event.

Sky News published a video that showed crushed cars beneath the bridge.

ABC News shared a video from the WPLG news station that captured high-angled footage of the collapsed bridge.

WSVN-7 News pointed out the collapsed bridge from a high angle as well.

KPIX CBS in San Francisco posted a video on Facebook of emergency responders tending to the bridge.

Jonathan Munoz tweeted a photo from behind yellow caution tape of the aftermath.

Twitter user Megan Fernandez shared a photo from the road after the bridge broke.

Another user, named Britt, tweeted out a handle of photos from the destruction site.
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
Herb Scribner
Deseret News
Published: Aug 13, 2018, 1:39 PM
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.