Karen Lloyd - mysterious microbes living deep inside the earth -- and how they could help humanity.

The ground beneath your feet is home to a massive, mysterious world of microbes -- some of which have been in the earth's crust for hundreds of thousands of years. What's it like down there? Take a trip to the volcanoes and hot springs of Costa Rica as microbiologist Karen Lloyd shines a light on these subterranean organisms and shows how they could have a profound impact on life up here.

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ADVANCED CIVILIZATION Reference material - https://interestzine.com/modified-host-behavior/