We wanted to kind of confuse the sharks. We did n’t want the sharks retracing their steps and finding their way back. Andrew Nosal More Quotes by Andrew Nosal More Quotes From Andrew Nosal What that suggests is that olfaction participates in shark navigation, at least leopard shark navigation. There seems to be other cues that they are using to supplement olfactory cues. there is a lot of work that still needs to be done. This is only the first step. Andrew Nosal science