Guest Opinion. Altruism is helping without a benefit and sometimes at a risk to one’s self. Animals helping others of their own species makes sense to perpetuate the species or help continue their own ...
Animals can't talk like humans do—here's why the hunt for their languages has left us empty-handed
Why do humans have language and other animals apparently don't? It's one of the most enduring questions in the study of mind and communication. Across all cultures, humans use richly expressive ...
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