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How readers used their geometry skills to survive a dangerous puzzle.
Researchers are turning to the mathematics of higher-order interactions to better model the complex connections within their data.
Crows recently demonstrated an understanding of the concept of zero. It’s only the latest evidence of animals’ talents for numerical abstraction — which may still differ from our own grasp of numbers.
A pair of researchers has shown that trying to classify groups of numbers called “torsion-free abelian groups” is as hard as it can possibly be.
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