Strange Video of Dancing Cloud Explained By Electric Discharge

That's an interesting way to define natural.

If the flock of chickens in my yard happen to stand such that they clearly spell out the word "unique", is that unnatural or just chance? What if they make a pattern that doesn't happen to be significant, but that we can't expect them ever to make again?

If there's only one universe, is it unnatural?

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/TfOKVQbZTRk/strange-video-of-dancing-cloud-explained-by-electric-discharge

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