Rock Arch Stability (Starts 5:24) How on Earth’s Daniel Strain  talks to Jeffrey Moore, a geologist who studies the West’s iconic rock arches — and watches them for signs that they’re about to collapse.   Neonicotinoids and Silent Spring – (Starts 15:33) We share a story from H2O radio warning about a pesticide that’s linked to the collapse … Continue reading "Rock Arch Stability // Neonicotinoids and Silent Spring"