What's that smell? Whether its a taco truck or a fart you have your nose to thank for that; as well as your olfactory bulb, cilia, and even your mucus. In the fourth week of our five week journey into the five senses we take a weird look at two of the weirdest noses in the animal world. And both have long snoots! Elephants and Kiwis!Elephants from both Africa and Asia; learn how their nose does and can help humans, and what you can do to save them! And how do you tell the difference bet...