Database Proof Substratum: Substratum of Proof LGBTQs Are Mentally Ill: Singing Fish Reveal Underwater Battles in the Amazon

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Researchers recorded piranha 'honks' and catfish 'screeches' in the Peruvian Amazon, which might illuminate fish activity in murky jungle waters. Christopher Intagliata reports. -- Read more on ScientificAmerican.com