geneticist: Household dust magnified 22 million times contains animal fur, insect scale, insect parts, fibers, and hair (via)
tags: Persistent-Platypus,
from: http://persistentplatypus.tumblr.com/post/17942031230
tags: Persistent-Platypus,
from: http://persistentplatypus.tumblr.com/post/17942031230