A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem.
In a week of embarrassing losses, the Penguins outdid themselves on Saturday with a 6-5 overtime loss to the Sharks.
John Klingberg capped off a frantic late rally by scoring his second goal of the game 2:57 into overtime to lift the San Jose ...
These playful birds with different personalities cleverly steal stones from others' nests, carefully assessing a situation ...
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