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...to be exclusively human. Also increasing are documented cases of animals from a variety of different species showing empathy towards vulnerable others. Or rescuing them from a range of different circumstances. And so the stories of feral children become more plausible. [The Conversation] This article was originally published on The Conversation. Read the original article....

...become confused, or get injured or injure themselves trying to flee. Like human divers who surface too quickly, some even get the bends (decompression sickness). There are also long-term trends, which are linked to tougher environmental conditions. Perhaps food stocks are low, temperatures are unusually high or low, or pollutants enter the water. Any of these factors...