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Thrifty Minnesota on MSN2h
Dark Sky Night at Split Rock Lighthouse
Spend a night outside looking up at the stars at Split Rock Lighthouse. Tuesday, August 12 is Dark Sky Night at Split Rock ...
Earth.com12h
Deep heat zone may be lifting the Appalachian Mountains
Deep heat beneath the Appalachian Mountains may be linked to an ancient rift with Greenland, helping explain why the range is ...