Castelvecchi, Davide <br/><br/>
The compass within.  [electronic resource] 

 -  Scientific American  Jan 2012 
 - 48-53 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0036-8733 
<br/><br/><label>Standard No.: </label>10.1038/scientificamerican0112-48  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal Migration--physiology<br/>Animals<br/>Behavior, Animal--physiology<br/>Birds--physiology<br/>Fishes--physiology<br/>Magnetic Fields<br/>Sensation