Mapping out geology across the U.S. is surprisingly difficult, but the USGS has managed just that, and its map is more ...
Canadian wildfires are causing poor air quality in parts of the U.S. Air quality alerts have been issued for several states, advising precautions for sensitive groups. The EPA has designated air ...
Since 2013, "kissing bugs" have been reported in 31 states. In eight of these states, humans were reported to have ...
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