More than 550 square miles of new lawns unfold each year in the U.S. alone. Equipped with a lawn chair and her infectious curiosity, a science writer spends a year on her lawn hoping to discover exactly what's going on out there.
Hannah Holmes, a science writer for the Discovery Channel Online, reveals some fascinating facts about the most ubiquitous substance on Earth: dust. From the dust that formed the stars to the dust that aggravates asthma to the dust bunnies that breed underneath couches, her study covers all manner of airborne particles.
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