1.   A quarter-century after the first moon landing, the lunar dust has yet to settle -- at least here on Earth.

2.   Even the dust has dust.

3.   Smart dust may even have a more stealthy purpose.

4.   Although Suharto has stepped down, the dust has yet to settle in this strife-torn country.

5.   Here, the authors argue, the double-star system is old enough that this original dust should have long since dissipated.

6.   The dust had an earthy, nostril-tickling smell.

7.   The gritty volcanic dust has carmaker Volkswagen worried.