Then the experiment was repeated with the students all wearing little bars of metal on their heads. The results were impressive - the students wearing the magnets lost their sense of direction. But the students wearing the non-magnetic brass could still point to the university. Somehow the magnets interfered with their sense of direction. So this means that they their sense of direction was, in some way, magnetic.
Magnetic fields seem to hold sway in some aspects of animal behaviour.
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