[rottyguy]

there was a House episode where someone was diagnosed with naphthalene poisoning due to termites in the walls. so following occams beliefs, we could also have lots of termites in space too. ;-)

[Retric]

Trace amounts add up when you start talking cubic lightyears. But, this is actually a high percentage of the matter that's there.

[pvaldes]

It was just a matter of time that somebody from outer space would find us and conclude that we must be fumigated ASAP. All we need to find now is an huge spaceship shaped as an aerosol can