Wolves have two layers of fur, an undercoat and a top coat, which allow them to survive in temperatures as low at minus 40 degrees Celsius! In warmer weather they flatten their fur to keep cool.

One bushel of wheat can make enough sandwiches that you could eat three sandwiches a day for over six months.

Alfred Hitchcock didn't have a belly button. It was eliminated when he was sewn up after surgery.

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