New Study Fuels Debate About Source of Birds’ Magnetic Sense

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This link gives you a very good overview of the latest arguments about whether Cryptochromes,  which are sensitive to magnetic fields and exist in the eyes of birds, help with their navigation.  All the great and good involved in this field are quoted.  I personally do not think that the quantum effects in a Cryptochrome can exist in the “noisy” high temperature environment of the eye of a bird.

Richard Nissen
editor

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