“Cocaine sharks”: Predators off coast of Brazil test positive for drug, scientists say
[ad_1] Sharks in the waters off Brazil have tested positive for cocaine, marine biologists said in a new study, marking the first time the drug has been found in the free-ranging predators. Thirteen sharpnose sharks were taken from the coast off of Rio de Janeiro and tested for the cocaine and benzoylecgonine, the primary molecule … Read more
