Polar Bear Dens Are Hard for Humans to See, but Drone-Mounted Radar Can Help
As humans encroach on polar bear habitats, new tools such as drone-mounted radar can prevent us from disrupting the hidden dens where bears give birth
![Polar Bear Dens Are Hard for Humans to See, but Drone-Mounted Radar Can Help](https://static.scientificamerican.com/sciam/cache/file/DB1C23E9-FF01-4A72-8003D0F96AF02F12_source.jpg?#)
As humans encroach on polar bear habitats, new tools such as drone-mounted radar can prevent us from disrupting the hidden dens where bears give birth
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