Greg Dunn and Brian Edwards are scientists-turned-artists.

In their new project "Self Reflected," Dunn and Edwards used a new technique called micro-etching to illuminate one specific organ in the human body.

The pair developed the technique, which combines hand drawing, gilding, and photolithography along with data visualizations to create amazing art. It allows dynamic control of an image and its colors using reflective gold surfaces.

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Today, we know that washing our hands is one of the most important steps we can take to avoid getting sick and spreading germs.

But how we came to know that is pretty fascinating.

Image via iStock.

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March of Dimes

In 1962, a chance encounter with Martin Luther King Jr. would transform the life of a young medical student named Larry Brilliant.

Larry Brilliant with an early Apple II computer. All images courtesy of HarperCollins.

Dr. Brilliant would go on to help eradicate smallpox, direct Google.org, help save 4 million people from blindness, and become one of the foremost experts in global pandemics.

But at 19 years old, Brilliant was holed up in his dorm room, subsisting on stale peanut candy and comic books, grief-stricken at the thought of losing his father to cancer.

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On Aug. 15, 2016, astrophysicist Katie Mack tweeted this:

Climate change is a terrible, horrible, no good, very bad thing. And if anyone knows this to be true, it's scientists like Mack.

A few hours later, Twitter user Gary P. Jackson responded to Mack's tweet, letting her know she should go learn "actual science" and quit with all this climate change mumbo jumbo.

Mack, in return, kindly let Jackson know that astrophysics is, in fact, actual science, and she's certainly qualified to have an opinion on the matter.

"Pretty much whenever I mention climate change on Twitter, people show up out of nowhere to argue with me that it's not real or that humans didn't cause it,” Mack said. "It's fairly rare that I'll make the effort to have a discussion at all, because it generally boils down to them accusing me of holding up some kind of vast conspiracy, or not understanding how science works.”

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