1.   It was serious, but nothing that was necessarily unexplainable by the natural cycles of health and disease in such forests.

2.   Life is a natural cycle just like the changing seasons so youth must move to middle age and then proceed to death.

3.   The transfer took place during a natural cycle, and, to date, the pregnancy has gone smoothly.

4.   And in rural areas, older people are still part of the natural cycle of life.

5.   As much as possible, the natural cycle of water flow would be restored.

6.   Better, he said, to let the fishery follow its natural up-and-down cycle, and drive out the unfit or uncommitted.

7.   -- Poorly understood natural cycles could be causing shrimp populations to fluctuate.

8.   A Columbia University study based on core samples taken from the ocean floor shows the planet warms and cools in abrupt and significant natural cycles.

9.   A giant restoration project there aims at saving the Everglades and Florida Bay by bringing back the natural cycle of water flow.

10.   But the scientists noted that the natural cycles in the area between the Arctic and the Atlantic are still poorly understood.