S8 Ep430: Thomas Halliday describes the warm Eocene when Antarctica hosted temperate rainforests before glaciation, including the massive whale Basilosaurus, then details the Paleocene recovery at Hell Creek where small burrowing mammals survived the asteroid catac
Podcast:The John Batchelor Show Published On: Sun Feb 08 2026 Description: Thomas Halliday describes the warm Eocene when Antarctica hosted temperate rainforests before glaciation, including the massive whale Basilosaurus, then details the Paleocene recovery at Hell Creek where small burrowing mammals survived the asteroid cataclysm.