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Microbes

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SOCIAL EPIDEMIC  In a new Smithsonian exhibit, activist signs and buttons from the AIDS epidemic highlight some of the social consequences of infectious disease outbreaks.

African pouch rat

SENSITIVE SCHNOZ  African giant pouched rats are trained to sniff sputum in the lab and pause at TB-infected samples.

pile of plastic trash

TRASH STASH  Scientists have modified a bacterial enzyme to make it even better at breaking down PET, a plastic widely used in disposable water bottles.

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