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February 02, 2015 — The president’s new exploration plan leaves the Atlantic, Arctic, and Gulf of Mexico open to intrusion.

January 27, 2015 — The plush annual meeting in which leaders, activists, and celebrities talk big solutions over $50 hot dogs.

December 12, 2014 — Yes, birds used to have teeth. They swapped them for beaks more than 100 million years ago, new research says.