How To Find North - Find A Cow!

Cattle that were eating or resting tended to align their bodies in a north-south direction, a team of German and Czech researchers reports.  (Question still remains - which end north?)

A German-Czech team has shown that cattle and deer have an unsuspected magnetic sense that lets them line up with the north-south direction of Earth’s magnetic field. The scientists note that it’s amazing that “this ubiquitous phenomenon does not seem to have been noticed by herdsmen, ranchers, or hunters.  Story....