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114: La Brea's Bone Count & Giant Pumpkins

Oct 8, 2026 · 1h 44m

Summary

Hosts Tom and Caroline explore the La Brea Tar Pits, detailing how ancient diatoms formed asphalt that trapped over 3.5 million Pleistocene fossils. They explain the chemistry of fossil fuels and why the site is a "predator trap" dominated by social carnivores like dire wolves. The episode also features a corrections corner on historical medical murders and a discussion on giant vegetable growing as a spooky miscellaneous topic.

Topics discussed

Intro and Spotify comment about sniping jokes Tom introduces the La Brea Tar Pits topic Corrections corner and episode setup Familiarity with the La Brea Tar Pits Touring the museum and the wall of skulls The origin of the name La Brea and asphalt How organic matter becomes fossil fuels Refining oil and the difference between tar and asphalt How tar pits form and trap animals The slow death of animals in the pits Giant ground sloths and dire wolf fossils Discovery history and fossil preservation Guessing the number of bones and the La Brea Woman Why social carnivores are the primary victims Forensic details in the fossils and current construction Closing thoughts on the tar pits and sponsor read Jumbotron messages and Babbel language app ad Transition to giant vegetables and favorite veg poll History of giant pumpkin growing in the US UK giant vegetable origins and community culture Expensive seeds and the Thompson & Morgan auction Giant tomatoes and the $2,300 seed story Requirements for growing giant vegetables World records for longest and heaviest vegetables The biology of pumpkin growth and auxiliary plants Physics of pumpkin skin and size limits Controversies and cheating in vegetable competitions The endless pursuit of bigger records Fun uses for giant vegetables and pumpkin racing Conclusion on the giant vegetable hobby Review corner and Jumbotron messages Listener bird photos and episode summary Halloween costume ideas and outro
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