Secretly Incredibly Fascinating - BONUS SHOW 208: "Popcorn Ceilings In Caves"

This is the bonus show for Episode 208! (Popcorn Ceilings)

Alex Schmidt and Katie Goldin explore the obviously incredibly fascinating topic of caves forming natural versions of "popcorn ceilings", and walls, and floors -- and in a unique way in Mexico.

RESEARCH SOURCES:

Caves and Karst: Speleothems (National Park Service)

Coralloids (National Speleological Society)

Popcorn (National Speleological Society)

How to Decode a Cave (Atlas Obscura)

How caves form (British Geological Survey)

The Death Coral Caver (Association for Mexican Cave Studies)

This is the joke Alex was thinking of, about the odd phenomenon of Naomi Klein being confused for Naomi Wolf.