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Scientist-in-Charge Dr. Mike Poland shows us Yellowstone’s new thermal features —

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— and the most common hazard you’re likely to face there (hint: it’s not bison, grizzlies, or a supereruption):

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More information:

• Yellowstone Volcano Observatory page
• USGS Caldera Chronicles
• That National Geographic special:
  

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Lagniappe:

Let’s chill…

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Featured image: Berzina/Shutterstock

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