The Dust In Your House: The Unseen Critters That Share Your Space

Alan: What most people consider grotesque contamination is unavoidable. 
Is ignorance bliss?

Dust Mite
Wikipedia
https://en.wikipedia.org/wiki/House_dust_mite

"What The Dust In Your House Reveals About You"
Los Angeles Times
http://www.latimes.com/science/sciencenow/la-sci-sn-bacteria-dust-home-20150825-story.html

10% of a two year old pillow may be comprised of the feces and corpses of house mites.

"Natural History is the antidote for piety."
Gregory Bateson
https://en.wikipedia.org/wiki/Gregory_Bateson