Cloud Seeding, Pilgrimage Tradition, Repurposing Oil Rigs

Scientists are trying to mitigate climate change's effects on the weather through artificial manipulation. Why Americans could show a growing interest in pilgrimages. Blue Latitudes is transforming empty oil rigs into artificial reefs. Also, on today's show: why the Snake River is one of America's most endangered rivers; how meteorites and space dust are raining down all around us; a novel brings to life the resistance against Nazi occupation on two British islands.