Episode 20 features chapter 6, "New Weapons of Resistance," from The Internet and Radical Voices of Dissent by Sue Branford. The episode explores how Indigenous groups in the Brazilian Amazon use technology—from tape recorders and radios to mobile phones, drones and LiDAR—to document invasions, defend territory and reclaim their cultural heritage in the face of land grabbing and ecological crisis.It also covers the historical resilience of Amazonian peoples, the archaeological revelations from LiDAR that challenge the marco-temporal claim, and the growing alliance between scientists and forest communities to protect land, language and biodiversity.