Article: Eels lack magnetic compass.

Article: Magnetic compass orientation in C57BL/6J mice
Learning & Behavior;  November 1, 2006 ;     700+ words ...We report evidence for a robust magnetic compass response in C57BL/6J mice. Mice ... the dark end of the training cage. Magnetic compass orientation has been demonstrated ... mammals, early attempts to demonstrate magnetic compass orientation produced mixed results ...

Encyclopedia entry: magnetic compass
The Oxford Companion to Ships and the Sea;      700+ words ...magnetic compass, a compass which depends for its ... credited with the invention of the magnetic compass but it is clear that, in the West ... The forerunner of the modern magnetic compass consisted of a magnetized needle ...

Article: Magnetic north by northwest. (magnetic compass)
R & D;  September 1, 1997 ;     700+ words ... ... back to Europe by Marco Polo was the magnetic compass, used by Asian mariners to explore ... Asia. Despite its usefulness, the magnetic compass was shrouded in such mystery as to ... appreciated by seafaring brotherhoods, the magnetic compass competed with the astrolabe for determining ...

Article: Birds' 'magnetic compass' guided by chemical ...
Charleston Gazette;  May 17, 2004 ;     588 words ... ... sense of direction. It's more likely that a bird's "magnetic compass" is controlled by little chemical changes in the brain ... discussed magnetic particles - were responsible for running the magnetic compass. "In a way, birds might chemically 'see' the magnetic ...

Article: Ensign.(how a magnetic compass works)(Brief ...
Motorboating;  June 1, 2003 ;     478 words ..."For the first time in history, the magnetic compass has assumed a new form in the Kelvin-White spherical compass," reported our June 1934 issue. "Since the magnetic compass was first made several hundred years ago, it has always had a ...

Article: California Inventors Develop Magnetic Compass ...
US Fed News Service, Including US State News;  November 20, 2008 ;     497 words ... ... have developed an automatic calibration of a three-axis magnetic compass. According to the abstract released by U.S. Patent & Trademark Office: "A magnetic compass apparatus and method to account for magnetic distortion while ...

Article: Physicist says chemicals control birds' `magnetic ...
Orange County Register (Santa Ana, CA);  May 16, 2004 ;     697 words ... ... sense of direction. It's more likely that a bird's "magnetic compass" is controlled by little chemical changes in the brain ... discussed magnetic particles _ were responsible for running the magnetic compass. "In a way, birds might chemically `see' the magnetic ...