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

Marlboro was the first cigarette company to market a cigarette that had a red filter called "beauty tip." This was done to hide the lipstick marks left on the filter from women smokers.

When the female grasshopper lays eggs, she covers her eggs with a pasty liquid that protects the eggs throughout the winter.

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