Maia Stern

NPR / YouTube

Volcanoes have been crucial to life on earth. Oozing lava helped form our planet's land masses. Gases from volcanoes helped create our atmosphere.

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The first insect that Pascal Baudar ever tried eating was an ant he found in his kitchen. The verdict? "It tasted like some kind of chemical," says Baudar.

Most people would have probably given up on the bug-eating experiments right there. But Baudar? He's made it part of his life's calling.

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Kirk Lombard is a firm believer that one of the best ways to show your love for the sea is to harvest and eat its bounty — responsibly.

Lombard is an avid fisherman and fishmonger based in San Francisco. He runs the Sea Forager tours along the coast, teaching locals how to sustainably fish and forage for their own dinner from the ocean.

Some may think of dandelions as just unwanted weeds, but expert forager and nutritionist Debbie Naha says "a weed is just a plant growing where you don't want it to."

Naha loves to collect and eat dandelions when they bloom in the spring and again in early fall, when the days begin to shorten.