What Household Dust Says About You

Menageries of microscopic life — veritable zoos with extraordinary diversity — lurk hidden in household dust, and scientists now find that these tiny communities can differ greatly from each other depending of where a person lives, what pets a person has, and how many people in the house are male or female, researchers say. "Our homes are ecosystems," said study co-author Noah Fierer, a microbial ecologist at the University of Colorado at Boulder. This research could shed light on th