I live in a 110 year-old house in San Francisco with my wife and two kids. If I go on the roof, set up a step ladder and climb to the top, I can see the Golden Gate Bridge. However, it probably a lot easier to ride my bike to the bridge. I try to bike as much as possible, especially through Golden Gate Park or near the ocean. Ah, the smell of the sea! Speaking of the sea, one day I was jogging barefoot on the beach. I was a little worried because the beach was littered with dinner-plate-sized jellyfish. I asked one of the surfers if the jellyfish stung. He said they stung, but only a little bi...