SciShow Tangents

Spooky Month: Caves with Brennan Lee Mulligan!

Oct 1, 2024
Join writer and storyteller Brennan Lee Mulligan as he takes a thrilling plunge into the eerie world of caves. Discover what defines a cave and the fascinating processes behind their formation. Delve into dangerous caves like Optymistychna and learn about extraordinary underground finds, including giant selenite crystals. Explore cave ecology with blind olm salamanders and find out why these dark spaces are perfect for aging your favorite cheese. Brennan also shares insights on his upcoming projects and performances!
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ANECDOTE

Surprise Guest Sets Spooky Tone

  • Brennan Lee Mulligan arrived as a surprise guest and recited a limerick to introduce the episode's theme of caves.
  • The hosts used humorous banter to set a playful, spooky tone for the discussion.
INSIGHT

Scientists Aren't Rigid About 'Cave' Labels

  • The panel observes that geologists often accept flexible definitions and don't fiercely police terms like cave versus cavern.
  • This laissez-faire attitude lets laypeople invent meanings and enjoy caves culturally.
INSIGHT

How Most Caves Form

  • Most caves are solution caves formed when water dissolves soluble rocks like limestone, gypsum, and salt.
  • Other major types include lava tubes, glacier/ice caves, and tectonic-created openings.
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