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.

Australian Graham Barker extracted his own belly button fluff every day for 18 years acquiring a record-breaking amount of fluff. He hopes to accumulate enough fluff to stuff a pillow.

A signature is called a John Hancock because he signed the Declaration of Independence. Only 2 people signed the declaration of independence on July 4. The Last person signed 2 years later.

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