Batman Is The First Movie To Advertise Shark Repellent

In the iconic 1966 Batman film, the Caped Crusader battles a rubbery  shark, saved only by the miraculous “shark repellent bat spray.”

While this scene is a comical exaggeration, it raises an intriguing question

do real shark repellents exist, and if so, do they actually work?

The quest for effective shark repellents dates back to the 1940s

driven by a rare but gruesome shark attack incident

In the early 1940s, anthropologist Henry Field, serving as an adviser to  President Franklin D. Roosevelt, initiated the search for a shark repellent

A rare incident involving a Navy pilot and hungry sharks prompted Field to  convince Roosevelt to approve research into this uncharted territory.

Stuart Springer, an ichthyologist and commercial fisherman, led the  initial experiments at the Woods Hole Oceanographic Institute.

With little knowledge about shark physiology, Springer tested various substances

This included potent toxins like rotenone and sodium cyanide. 

While this may work in theory, the effectiveness varies.

There is still so much more to discover about these incredible creatures!

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