The discoveries on Mirror Lake and Lake George spark concerns about the number of nutrients entering the lakes.
Friday night was probably the best aurora display I've ever witnessed! I captured 4,883 exposures at 5 second intervals from just after 10pm until 5am the next morning.
A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a little-known hazard that scientists hope to be able to predict someday.
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