Add Yahoo as a preferred source to see more of our stories on Google. Researchers at the University of Tübingen in Germany have new evidence suggesting crows can contemplate the number zero. This ...
Crows may be bird-brains, but the feathered creatures can understand the highly abstract concept of zero, new research suggests. The concept of zero, as used in a number system, fully developed in ...
Researchers at the University of Tübingen in Germany have new evidence suggesting crows can contemplate the number zero. This ability means the birds join an “elite” group of creatures that can ...
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