Quick, name your favorite geological mystery. You can’t do it! Well, don’t worry. In this episode we’re going to tell you all about what will surely be your favorite (albeit only) one when we get into one weird millennium that happened not that long ago.
This Stuff You Should Know episode dives deep into the Younger Dryas, a wild and mysterious climate event from about 12,800 years ago when Earth suddenly plunged back into ice age conditions for over a thousand years, just as humans were settling down and starting to farm. Josh and Chuck explore the fascinating geological evidence from ice cores and lake sediments that prove this happened, then tackle the biggest mystery: what the heck caused it? They walk through the leading theories, from massive freshwater floods disrupting ocean currents to a dramatic meteor impact that sparked wildfires across the globe, while also considering some fringe scientific ideas that might explain why the world went haywire.
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