5 天on MSN
The surprising intelligence of pigs: How they play games, solve problems, and remember faces
When we think of pigs, we inevitably think of happy livestock rooting around in the mud on a farm. But if you’ve ever taken a ...
Pigs are extremely interesting animals. They're able to solve challenging problems, they love to play, they display a wide range of emotions, and they have unique individual personalities. Until now, ...
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