The Download: our thawing permafrost, and a drone-filled future

Plus: America's first AI law is here Scientists can see Earth's permafrost thawing from space Something is rotten in the city of Nunapitchuk. In recent years, sewage has leached into the earth. The ground can feel squishy, sodden. This small town in northern Alaska is experiencing a sometimes overlooked consequence of climate change: thawing permafrost. And Nunapitchuk is far from the only Arctic town to find itself in such a predicament. Now scientists think they may be able to use satellite data to delve deep beneath the ground's surface and get a better understanding of how the permafrost thaws, and which areas might be most severely affected.