Linda Moulton Howe investigates mysterious horse deaths linked to tent caterpillar infestations before Richard C. Hoagland provides Mars updates. Howe examines the unusual phenomenon of pregnant mares suffering fatal complications after exposure to tent caterpillars. The discussion explores the bizarre connection between caterpillar hairs and equine reproductive system damage. Howe presents veterinary findings about this previously unknown danger to horses during caterpillar season. The conversation addresses the scale of horse deaths and economic impact on breeding operations. Hoagland analyzes new Mars data and the latest information from ongoing missions. The broadcast examines NASA's evolving approach to Mars exploration and public communication about discoveries. Howe's investigation demonstrates the unexpected dangers lurking in nature and the complex interactions between species. Hoagland discusses the political and scientific pressures shaping Mars mission priorities. The conversation bridges terrestrial biological mysteries and extraterrestrial archaeological investigation.