NEW YORK – Whether from a lack of rain, cold water surges from the south, or waste-infused runoff, the lion’s mane jellyfish have arrived early to New York’s Hudson River, reports the New York Times. On Sunday, the nebulous creatures gave unsuspecting triathletes a painful message–stinging many as they dove into the waters. Lifeguards have equipped themselves with spray bottles of vinegar to neutralize the pain river-goers are likely to incur while enjoying a midsummer swim.

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Source: The New York Times