A rare but potentially deadly bacteria called Vibrio is migrating north along the US Atlantic Coast at a rate of roughly 30 miles per year. On a popular stretch of white Florida sand, researchers Bailey Magers and Sunil Kumar look more like hazardous materials experts than marine biologists. 

Clad in rubber and plastic, they spent last August dodging curious tourists to collect seawater samples.

Their target is Vibrio, an ancient lineage of bacteria now thriving in a warming world. While there are over 70 species of Vibrio, a few are increasingly dangerous to humans. 

Vibrio parahaemolyticus is the most prevalent, often causing severe food poisoning. However, the rarer Vibrio........

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