Vox used a lotion that mimics viruses to demonstrate the power of washing your hands for twenty seconds:
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A comparison of the words unique to the candidates on Twitter.
With wildfires burning in the western United States, smoke fills the air. This is an animation of the air quality during the past couple of months.
When one goes down, so does the other. If only there were a way to keep more people healthy.
Some jobs are common nationwide, because they are needed everywhere. Others are more specific to geography. See where job falls on the spectrum.
