Today I learned a great deal of new things, many of which I hadn't given much thought to. They certainly provided me with much knowledge and gave me something to ponder about. Today I learned where the expression 'put a sock in it' came from. I was surprised to discover what the swastika, an originally ancient symbol, represented. I was keen to learn intriguing facts about the body and general facts I had never given much thought to. So, learn something new today with these mind-blowing facts.