The Greeks thus had a neat explanation for two perplexing phenomena, the gigantic bones and the earthquakes that frequently devastated their land.

Bill Clinton as President of the United States is a perplexing phenomenon.

Similar to the television series, the books focused on Marshall and Simon, as they continue to solve various perplexing phenomena in Eerie.

Do these theories shed any light on this perplexing phenomenon?

Haplo hung motionless in the water and paused to consider this unusual and perplexing phenomenon.

The authorities said the case was another example of a perplexing and persistent phenomenon.

The dramatic desiccation of North Africa is a perplexing phenomenon.

The black hole is still, and will continue for a long time to be, one of the most perplexing phenomena known to man.

What made the theory particularly appealing was that it could explain a perplexing phenomenon known as genomic imprinting.

A paradox confronts anyone who tries to understand the perplexing and persistent phenomena of 'race' and racism in Europe today.