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Can free college really be done in America?
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As part of his campaign for president, Sanders has introduced a bill in the Senate that aims to make all four-year public universities free. - photo by JJ Feinauer
Bernie Sanders, the self-proclaimed socialist senator from Vermont (or, more appropriately, the democratic socialist from Vermont), doesn't seem to mind that very few pundits believe he has a shot at the presidency, despite the fact that he's one of only two declared candidates for the Democratic ticket in 2016.

"I fully concede that I get into this race as a major underdog. No question about it," Sanders said in an interview with CNBC. But he also believes that "we're going to do better than people think. And I think we got a shot to win this thing."

But maybe winning isn't the point. As consumer advocate and former long-shot presidential candidate Ralph Nader wrote in the L.A. Times , "Short of winning the presidency there are many other rewards for running."

According to Nader, running for president can boost one's visibility to heights otherwise unimaginable, especially for candidates like Sanders who hold less than mainstream policy positions.

"Who first put forth issues such as the abolition of slavery, women's right to vote, Social Security, farm and labor reforms?" Nader asked in his op-ed. "Little third parties, of course, that never won a national election."

Even though Sanders hasn't necessarily declared that his candidacy is purely about more visability for his positions, his candidacy has already sparked a widespread, and arguably unexpected, debate about one of his core policy points: Free college.

As part of his campaign for president, Sanders has introduced a bill in the Senate that aims to make all four-year public universities free. As I wrote last month, Sanders hopes to expand President Obama's free community college proposal in an effort to ease the financial burden of higher education.

"Lets give Sanders big props for putting this out there," The Daily Beast's Michael Tomasky wrote on Wednesday. "If Sanders can effectively press his case for a few months, maybe Hillary will back it, too."

To pundits like Tomasky, whether or not Sanders wins is beside the point. Reduced college costs is a worthy goal, and hopefully Sanders can help push the dialogue further forward.

The Guardian's Jana Kasperkevic agrees, arguing that "debt-free college" will likely become a major policy emphasis for 2016, at least among Democrats. But even Republicans might come around, according to Kasperkevic, if "the voice of the voters and their rallying behind the issue" become strong enough.

But not everyone is convinced that shooting for a "free for all" education is a reasonable policy goal.

"Even more important than how much we spend and who we spend it on, we should ask ourselves what impact free public college would have on the delivery system of higher education," Kevin James wrote in U.S. News and World Report. "That is, would free college make higher education more efficient, more innovative and higher quality?"

That question, according to James, makes the prospects of cheaper college a lot more complicated.

"Fundamentally, the 'price' of free public college is more than the money taxpayers would spend on it," he continued. "By moving us to a system based largely on public institutions managed through top-down regulation, Sanders' proposal would exacerbate the challenges not solve them."

Sanders believes the best way to fund these potentially free four-year public colleges is by "using a new tax on stock trades to raise an estimated $47 billion in revenue," according to Vox's Libby Nelson. But there are those who believe scooping the money up from Wall Street won't be as easy as it sounds.

"What happens at the next recession when the money from Wall Street drops and the number of students enrolling in college swells? How could a program like this be sustained?" Iris Palmer, a senior policy analyst at the New America Foundation, told The Washington Post. "And how would you keep institutions from consistently increasing what they say it costs to educate a student?"

Still, even if college can't feasibly become free, there are those who argue trying might, at the very least, make Washington think more seriously about the rising costs of college.

"It would be nice if Sanders' bill were treated seriously," Slate's Jordan Weissmann wrote after discussing the strengths and shortcomings of his bill. "The man wants to refund our public college infrastructure. Sure, he might be a fringe candidate, but this shouldn't be a fringe idea."
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.