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Two unique lectures coming to the Great Lakes Maritime Heritage Center

Alpena, Mich. — Two lectures on two completely different topics are coming to the Great Lakes Maritime Heritage Center next week.

On Monday, listen to Dr. Bopaiah Biddanda and learn about his team’s research on the Middle Island sinkhole 70 feet below the surface of Lake Huron. People travel all over the world to examine this phenomenon. The site features high sulphate content and very low dissolved oxygen content which makes for a very unique ecosystem.

“What they are looking at is connections to the first oxygenation of our planet and also even lead to us to what life is like on other planets as well, the beginnings of life if you will, so those are some of the questions that the scientists are asking of this ecosystem,” said Stephanie Gandulla, research coordinator of the Thunder Bay National Marine Sanctuary.

The second lecture is centered around women who disguised themselves as men to serve in British and American military’s in the 1800s. Dr. Catelyn Perry Dial will talk about the lengths that women went to conceal their identity.

“A lot of people have questions… first of all, why would women want to engage in warfare at this time or anytime?” said Gandulla. “These are issues that we’re looking at even today.”

“Sinkholes to Stars” kicks off next Monday night at 7:00 p.m. over at the sanctuary. “One of the Guise” will take place next Friday at the same time. For more information, visit