Taking my dog out for a whiz can be an experience—without fail, if I’m in a hurry, she is not, and must wander and circle several different areas in search of that precise spot sufficient enough to relieve herself on. And sometimes she’ll be in mid-squat and decide, ‘Nah, this ain’t the place’. I never considered she might actually be tapping

Source: Hot Hardware – Researchers Find Dogs May Use An Internal Magnetic Compass To Navigate