1.   And nomatterhow minor that discovery is, there is a peculiar excitement about understanding some natural phenomenon for the first time.

2.   But all attempts to harness and control this most perplexing of natural phenomena have proven far more elusive.

3.   He told the story of what had occurred as if it were a natural phenomenon, not mechanical failing or human error.

4.   I think we are dealing with a natural phenomenon here, not witchcraft.

5.   Instead they see low concentrations of magnesium as a natural phenomenon exacerbated by air pollution.

6.   It is regarded as a purely natural phenomenon which, by an unusual coincidence, occurs in the walls of their convent.

7.   Journalists were shown reassuring pictures aimed at proving how technology helps control natural phenomena.

8.   Natural phenomena such as the appearance of comets intrigued him.

9.   Other natural phenomena also can bury a site, including sandstorms and landslides.

10.   The illogical, unlikely and physically impossible are treated as natural phenomena.