The letters J and Q don't appear in the periodic table of elements. German chocolate cake isn't from Germany -- it's named after American chocolatier Samuel German, who developed the recipe. The middle finger nail grows the fastest. The Greek philosopher Diogenes the Cynic was the original Oscar the Grouch: he chose to be homeless and slept in a large ceramic jar near the marketplace. The real Betty Boop was actually an African American woman named Esther Jones. Over 200 million people live in Nigeria, which is almost twice as many people as the second-most populous African nation, Ethiopia.