4 Pics 1 Word Puzzles

What is the 1 word (6 letters) answer to the puzzle below? Scroll down to see the answer!

4 Pics 1 Word Answer 6 letters for psychedelic black and white swirl, staircase in circle, DNA double helix with blue background, tornado twister with wind and debris

Swirl, Staircase, DNA, Tornado

The Answer is: