Zookeepers in Calcutta, India, were caught drugging rhinos to make them urinate more. They sold the urine as an ingredient in medicine.

The fingerprints of koala bears are virtually indistinguishable from those of humans, so much so that they can be easily confused at a crime scene.

John Quincy Adams, sixth president of the United States, loved to skinny dip in the Potomac River.

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