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    Re: Test your magnetic compass.
    From: Fred Hebard
    Date: 2012 Nov 17, 09:18 -0500

    The protein could still have a magnetite, or similar, core.  
    
    Fred Hebard
    
    
    
    
    On Nov 17, 2012, at 5:28 AM, Apache Runner wrote:
    
    > One of the more amazing things I've stumbled upon are studies that indicate 
    that some birds can sense the earth's magnetic field.   Imagine that - some 
    protein that is sensitive to, say, 500 milliGauss!
    
    
    
    
    

       
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