that it is believed that lemonade originally came from Egypt? That's because the earliest documented evidence states that the juice of lemons was mixed with sugar and sold in Cairo to a Jewish community there. The year was around 1104.
that you can make a battery using a lemon? You just need to place a piece of copper metal and some zinc inside the fruit.
that according to the Worldwide Gourmet, the lemon at one time was excommunicated by Catalan priests? The reason being was they thought the lemon was made by the devil due to it not being round.