4 Pics 1 Word Puzzles

What is the 1 word (8 letters) answer to the puzzle below? Scroll down to see the answer!

<img src="http://heavyeditorial.files.wordpress.com/2014/05/chemical-300×297.jpg" alt="4 Pics 1 Word Answer 8 letters for DNA helix, beakers with liquids inside, science experiment glass, caution symbol warning sign" width="300" height="297" class="size-medium wp-image-627051" /> DNA, Beakers, Science, Caution

The Answer is:

CHEMICAL
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