Reports on a novel mechanism for bird navigation using quantum coherence in low magnetic environments, indicating strong biological connections to quantum theory.
Cryptochrome-based radical pair mechanism operates in the COHERENT Pe regime (quantum coherence requires Pe<1). The magnetic field signal is maximally opaque to the bird — it cannot introspect the mechanism. Navigation constraint is externally imposed (field geometry). The radical pair IS a Cooper pair analog: entangled electron spins as biological COHERENT-regime void objects. Strongest biological link to quantum-void theory.
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Anthony W. Eckert (2026) studied this question.
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