Watch the full episode here: https://www.youtube.com/live/ke7ZAMiAtm0?feature=shared
You've traveled 500 million years into the past to experience some of the most dangerous seas and alien organisms ever to exist on Earth. Welcome to the Cambrian Period.
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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.
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