The River Otter's Remarkable Comeback
(news.ycombinator.com)
1.
2.
One of the largest salt mines in the world exists under Lake Erie
(news.ycombinator.com)
3.
Salt lakes are shrinking and expanding, causing havoc in conservation
(feeds.nature.com)
4.
Weather whiplash to sweep U.S. with simultaneous blizzard, polar vortex, and heat dome
(feeds.feedburner.com)
5.
6.