Hi there! It’s Rosanna Xia, coastal reporter and director of the Los Angeles Times environmental documentary “ Out of Plain Sight ,” filling in for Sammy Roth. For this week’s edition of Boiling Point, let’s revisit a film that changed the course of ocean history.

I was just on Cape Cod for the Woods Hole Film Festival , and the moment I crossed the Sagamore Bridge, it was impossible not to think about sharks.

This summer marks the 50th anniversary of “Jaws,” and with every fan T-shirt, hat and poster seen around town, I was reminded that this blockbuster thriller about a bloodthirsty shark had been filmed right here on Martha’s Vineyard. Steven Spielberg even called in experts from the Woods Hole Oceanographic Institution where the character Matt Hooper, played by Richard Drey

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