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When facing a new year, swim upstream
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Many salmon return to the Russian River in Alaska every year to swim upstream and spawn. - photo by Amy Choate-Nielsen
I feel conflicted this time of year.

I dont decorate much, except at Christmas time. I love shades of silver and red, I love the smell of a freshly cut tree, and I love all of the little touches that remind me of the reason I celebrate the season. But sometimes, as I walk around my house, the decorations remind me that in a few days, Ill have to put it all away again.

The bowl of ornaments on my counter starts to look like clutter, and the tree drops pine needles all over my floor.

This year, two days after Christmas I was debating if it was time to take it all down. I walked into our living room and found the Christmas tree on its side someone had knocked it over and fled the scene, afraid to admit their doing.

I immediately knew who the culprit was, but I wasnt mad. The tree sent a message, loud and clear, that it was time. I scrubbed the black stain from a months-worth of dirty pine tree water spilled on the pale blue carpet in the room, and whisked through every room erasing Christmas.

Were ready to begin a new year.

Except, I feel conflicted about new years.

On the one hand, Jan. 1 is exciting and new, fresh and full of promise. The frost in the air feels sharp and clean, and I am full of motivation and ready to make resolutions. On the other hand, it is just another Monday, and I shudder to think of the headlines that will erupt in 2018.

On our family trip to Alaska this fall, I had a list of things I had always wanted to see. One of the things on my list was a salmon run. Every year, mature salmon travel from the sea to the river in which they were born to lay their eggs. They swim up the stream until they find a suitable gravel bed to leave their offspring, and then their life cycle is complete. The new generation of salmon are born, living in the river for some time until they journey to the sea to grow to maturity when they too will return.

Several days into our trip, we decided to hike along the Russian River on the Kenai Peninsula to see what we could see. The hike meandered through a temperate rainforest, past leaves as big as my head, moss as thick as a carpet and mushrooms as pretty as a picture to an overlook of the river rushing underneath. As you might imagine in a rainforest, it was raining. The kids didnt mind, they loved splashing in the puddles, and I accepted the fact that everything in my backpack was becoming soaked as the droplets streamed down my face.

In Alaska, the salmon run usually peaks in July, when thousands of fish fight their way upstream to lay their eggs. There are king salmon, coho salmon and sockeye salmon also known as red salmon. The redder the salmon, the older it is and closer to death. Fishermen and bears know a really red salmon wont taste very good, and on the banks of the river below the overlook there were piles of deep red flesh that had been scavenged by a bear and left behind. By this time, the bear was only looking to eat the fishs brains. Fisherman dont even bother trying to catch these deep red fish, as enormous as they are, because no one wants them.

And yet, the fish is still driven by a will to survive. As I looked down into the river, I saw hundreds of flaming red fish circling below a turbulent section of water cascading down a course of boulders and trees. All of a sudden, a fish would burst out of the water and fling itself upstream, crashing headfirst into a rock and sliding back down to where it started. Some hit the boulders with a force so hard they died instantly, others made that step, but not the next, and they ended back right where they began, waiting for their turn to try again. Again and again, the same huge, old salmon jumped into the gauntlet, against the force of nature, upstream, uphill, up rocks, and I cried a little at the sight. It was raining hard enough no one could tell, but I was inspired.

Sometimes, life really feels like a river pummeling you downstream, where even the effort to take a breath above water feels like an impossibility, but life pushes on. Even if the odds are against you, and you are your only champion, it is possible to face the unknown and do your best when you crash into hard things.

Even if it is just another Monday, and the boulders of a year ahead can seem big and scary, lets take a leap.
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.