The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear. Any cup-shaped object placed over the ear produces the same effect.

Racecar driver Lee Petty once left a pitstop and did a full lap at Nascar with a pit crew member still on the hood.

On average, there are 178 sesame seeds on each McDonalds BigMac bun.

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