![Chemical Shark Repellents](https://i0.wp.com/www.compoundchem.com/wp-content/uploads/2014/08/Chemical-Shark-Repellents.png?resize=700%2C493&ssl=1)
The human fear of sharks is an age old one. Even though your odds of being killed by a shark are estimated to be approximately 1 in 3.7 million, versus a 1 in 218 chance of simply dying from a fall, the fear persists, and over the years many chemists have turned their attentions to trying to find an effective chemical shark repellent – with somewhat mixed results.