A scubba diver cannot pass gas when diving below 33 feet
A dogs sense of smell is one of the keenest in nature. If a pot of stew was cooking on a stove, a human would smell the stew, while the dog could smell the beef, carrots, peas, potatoes, spices, and all the other individual ingredients in the stew. In fact, if you unfolded and laid out the delicate membranes from inside a dogs nose, the membranes would be larger than the dog itself.
Statistically one bungee jump is about as dangerous as driving 100 miles in a car. (About a two in one million chance of death) There have been millions of safe bungee jumps, and only a few accidents. Almost every accident was caused by the jumper not being properly connected to the cord or the cord not being properly connected to the jump platform.