Chinese writing: From complexity to greater complexity

The world's major writing systems have tended to simplify over time, with a notable exception: New research shows that the Chinese writing system has become increasingly complex over the course of its 3000-year history.

Crows able to understand the concept of recursion

Researchers at the University of Tübingen have found via experimentation that crows are capable of understanding the concept of recursion. In their paper published in the journal Science Advances, Diana Liao, Katharina Brecht, ...

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