Money notes are not made from paper, they are made mostly from a special blend of cotton and linen. In 1932, when a shortage of cash occurred in Tenino, Washington, USA, notes were made out of wood for a brief period.

It is possible to get high by licking a toad. The Cane Toad produces a toxin called bufotenine to ward off predators. When licked, this toxin acts as a hallucinogen.

You will burn about 7% more calories walking on hard dirt than on pavement.

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