Tooth decay is the disease process that causes tooth destruction. It is caused by bacteria on the tooth surface that breaks down carbohydrates (sugars) that you eat. The breakdown products are acids that dissolve tooth structure. Left untreated the decay process can lead to toothaches, infection and tooth loss.
There are at least two different versions of the Buffalo wingâs origin, although they contain the same basic facts. The first plate of wings was served in 1964 at a family-owned establishment in Buffalo called the Anchor Bar. The wings were the brainchild of Teressa Bellissimo, who covered them in her own special sauce and served them with a side of blue cheese and celery because thatâs what she had available.
Gustave Whitehead invented and flew the  world's first airplane in 1901, at Fairfield, CT. His monoplane,  called No. 21 or the Condor, was based on Count D'Esterno's and  Otto Lilienthal's designs.he first official airplane hop was in 1890, but the idea has been around since Da Vinci. Also, the first jet flight was in 1939, but the Germans only started using them in 1944. i don't know when it was invented. What about you.