Guess the Cover of American Laboratory—September 2012

Correctly identify this month’s cover image and be entered to win a $10 Amazon gift card (one entry per person; you must be 18 years of age to be eligible. See contest rules at

Dennis Fine (Shaw Environmental and Infrastructure, R.S. Kerr Research Laboratory, Ada, OK, U.S.A.), was having some good clean fun when capturing this image, which is awash with vibrant color. Taken at a 5× magnification, the image was captured using a Canon 65 mm macro lens and a Canon 5D Mark II camera.

What do you think it is? Enter by leaving your answer in the comments section below. Stay tuned for the answer and for next month’s cover image!