Doing nothing for a third of you life and expecting someone else to pay for it is a very recent, unnatural phenomenon.

Spock, is there any possibility this is an unnatural phenomenon we're witnessing?

The stories about unnatural phenomena are many.

Eden's unnatural natural phenomena are rendered both properly alien and properly probable.

It was a howling land of unnatural phenomena.

Any exception to this norm is depicted in a negative manner, with science being the only answer to unnatural phenomena.

She must watch for the unexpected, for unnatural phenomena, and he had found three places which he suspected were important.

Suddenly he wants to be as far away as possible from this unnatural phenomenon.

He was distracted by the mystery of the skunk ape and the other unnatural phenomena.

An unnatural phenomenon is occurring these days in the swamp.