1.   As the Hyakutake comet streaked closer to the warming sun, there were signs on Wednesday that one or more chunks may have broken loose from its snowball nucleus.

2.   I once had a chunk of Australian wood for turning that was, I would be willing to bet, harder than concrete.

3.   A huge chunk of Zimbabweans have no jobs and no hopes of finding any.

4.   Giuliani said the remaining chunk of facade had to be removed to make cleanup efforts safer and easier.