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Underwater video shows aggressive speckled trout feeding at night
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A mesmerizing, new video from Florida shows just how fast and aggressive speckled trout can be while feeding. - photo by Grant Olsen
Grant Olsen
KSL.com
Published: Mar 10, 2016, 3:09 PM
TAMPA BAY, Florida Anglers often wonder whats going on in the water beneath them. While fish finders show a distorted view of the action, the true underwater feeding tendencies of fish are often hidden from view.

A new video from Tampa Bay, Florida, shows just how fast and aggressive speckled trout are while feeding. Speckled trout arent found in Utah, but are common in the coastal waters of the southeastern states.

The video was captured by a Florida angler named Anthony Chacour. According to a report from The Times-Picayune, Chacour set up his GoPro camera in a pass that connects Tampa Bay to the Gulf of Mexico.

"I lit the area using my scuba-diving lights," Chacour said. "There are many different species that come through there, and speckled trout are one of the more common ones."

When Chacour retrieved his camera and watched the footage, he was thrilled to get such a close look at the feeding habits of his favorite quarry.

"I was amazed at how quick their reaction times are," he said. "They looked nice and relaxed, but once baitfish came by, they would spring into action.

According to The Times-Picayune article, Chacour often recalls the video when he fishes for speckled trout.

"Now when I get a strike, he said, I always think of that popping sound they make when catching prey.
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.