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Welcome to another initiative Cool Stuff ride home. I'm Marcus Paff. He's Reggie Rizzou. On today's

episode, a race to explore ancient underwater

civilizations in Europe.

We'll give you the details how sea otters are saving the California marshlands, plus a bizarre

find at the home of a deceased Seattle area man.

All that plus this day in history, the first big screen appearance where a Marvel superhero,

and here's a hint, it took place 80 years ago.

That's coming up, cool stuff, ride home.

We've got a fascinating story of the popular mechanics today detailing scientists race to study

a host of ancient civilizations that are now wholly submerged by the North and Baltic seas.

Why the urgency, you ask? Well, time is of the essence because many of the region's

scientists hope to explore are also considered prime real estate for wind farm installations,

many of which are needed to combat today's rising sea levels.

For some background, it's believed that between 8,000 and 10,000 years ago, the North and

Baltic seas really didn't exist, at least not in their current massive state.

Instead, there were vast plains in the area, containing a number of different civilizations.

...