Squirrel monkeys and male baboons will gesture with an erect penis as a threat to predators or as a sign of impending danger.

The pet food company Ralston Purina recently introduced, from its subsidiary Purina Philippines, power chicken feed designed to help roosters build muscles for cockfighting, which is popular in many areas of the world.

In 1923, the first neon sign was introduced in the U.S. Two neon signs were sold to a Packard car dealership for $24,000 which read, "Packard."

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