Unlike germs, however, it can be seen under a blacklight, enabling Rober to track how it spreads through his day-long experiment in a classroom. The teacher was doused with the invisible powder prior ...
In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world of airborne microbes. Credit...Antoine Maillard Supported by By Carl Zimmer ...
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Students Touch Bread Slices With Washed and Unwashed Hands. A Month Later, Here’s What the Bread Looks Like
Kitchen countertops, door knobs, library books, hotel room keys, school desks - everything we touch, everything we come in contact with is infested with germs. Until the hands are scrubbed and washed ...
Bacteria from fecal material -- in particular, dog fecal material -- may constitute the dominant source of airborne bacteria in Cleveland’s and Detroit’s wintertime air, says a new University of ...
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