A close-up of a cross-section of a human skin. The skin appears to be a reddish-brown color with a textured surface. On the left side of the image there is a blue bar with the words "High pH" and "Low pH" written on it. Next to the blue bar there are two orange lines one representing high pH and the other representing low pH. On the right side of this image on the bottom right corner is a black rectangular object which is likely a magnet or magnet. The magnet is placed on top of the skin and it is slightly tilted to the left. The background is blurred so the focus is on the magnet and the surface it is resting on.
Description 
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2012
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2015
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2013
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2012
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2013
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2014
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2014
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2015
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2012
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2012
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2012
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2015
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2012
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2013
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2013
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2014
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2012
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2018
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2014
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2012
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2018
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