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Deep in the Amazon, researchers have uncovered a complex of ancient cities — using laser technology

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The Current16:20Huge ancient city discovered in Amazon “Wow” was all archaeologist Stéphen Rostain could say when LiDAR (light detection and ranging) laser technology revealed several ancient cities hidden deep in the Amazon rainforest. “It’s a gift for an archaeologist,” he told The Current‘s Matt Galloway.  Using the laser-scanning technology, researchers have uncovered a complex network of … Read more

How artificial intelligence can help beavers fight floods, droughts and wildfires

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A few years ago, a couple of Google employees reached out to a Minnesota scientist with an unusual proposal: What if they could teach computers to spot beaver habitats from space?  “They wanted to know if I thought it was possible to find beaver wetlands from aerial imagery myself, and then if that could be … Read more