Recent research suggest that nano particles may be responsible for odd behavior of dirt on the Moon.  America's Lunar Astronauts noticed unusual properties of the extremely fine sediment -- it would hang in the atmosphere longer than expected, and stick to anything and everything!  Now, some new studies have proposed that micro particles, released from tiny glass beeds in the soil may be responsible.

"The discovery may explain why moon soil is such a poor conductor of heat, why it hovers above the lunar surface far longer than gravity should allow, and why it's so sticky and abrasive — characteristics observed, and sometime

http://www.space.com/16305-moon-soil-nanoparticles-apollo-astronauts.html