Cocaine sharks: The hidden drug problem in the Gulf of Maine and oceans
An article on the BBC and subsequently picked up by the New York Times just reinforced what I have been teaching for a long time. The article reports on a finding from the Oswaldo Cruz Foundation, which found high levels of cocaine in 13 Brazilian sharp-nosed sharks tested near Rio de Janeiro. So, how did the drugs get into the livers and muscles of the sharks? I can think of three possibilities. First, illegal drug labs might be discharging wastewater into the harbor. Second, sharks could have ingested floating cocaine packets dumped to evade authorities. Lastly, and most likely, local sewage discharge might be releasing large quantities of urine from drug users. more, >>CLICK TO READ<< 08:12
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