Dogs of war

Tessie and Binnie, the US Army's psychic dogs

...It didn’t take Binnie and Tessie long to find the fake mines. The work progressed and the military was impressed. But, was it all coincidence and random luck? To ensure that wasn’t the case, the Army began to make it more and more difficult for Tessie and Binnie to find the mines. Instead of just burying the bogus mines deep in the sand, they took the devices into the water – to depths of about six or seven feet – and had the pair try and find them. They succeeded. The dogs raced into the ocean water, dived below, then surfaced, barking excitedly when they found the mines. It was the water-based experiments that impressed the military most of all. Rhine told the Army: “There is at least no known way in which the dogs could have located the underwater mines except by extrasensory perception.”...