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Have You Seen This? Bears break into man's house
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Bears in the wild are one thing, but when the bears start entering homes you know it's time to worry. - photo by Mary Dalrymple
Mary Dalrymple
KSL.com
Published: Nov 17, 2017, 10:39 AM
BEARTOPIA We're no strangers to bear videos here.

This video was taken Nov. 9 in Monrovia, California, a city that seems to have more than its fair share of daring, hungry bears. In this particular video, a man peers through a glass door to the other side of his living room where some hungry bears have just taken up residence.

Now, bear encounters while hiking in the wild? Sure, that's scary, but on some level it's to be expected. Bears live in the wild! You are entering their turf, you're coming into their house, so you've got to be prepared.

I can even deal with bears outside suburban homes. These guys are getting brave, we know that. But we also have to hope that the barriers we put up to protect ourselves, aka houses, will do us some good. But apparently not, as you can see in the video as the man attempts to shoo the bear out of his home while the bear gleefully spills cat food all over the place and his two bear friends cheer him on from the doorway.

To be fair, it also looks like the man had left his sliding back door open and the bears probably saw that as an opportunity for revenge like "hey, you go hiking through my home all the time, I'm just here for payback."

Regardless, seeing a bear inside your house has to be unsettling and I'm very impressed with how calm this guy remains as he gets the bears to move outside.
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.