The object at hand is a cane — slender yet strong, gleaming black, its handle widely arched to fit a big hand. The perfect accessory for a man with gracefully silvered hair, strikingly black ...

Using feedback from the prosthetic hand in the form of electrical impulses, the patients succeeded in distinguishing between items of various sizes, as well as between soft and hard objects by touch.

As it happens, this object at hand was almost certainly a man-eater until put out of business in 1967 by big-game hunter David Hasinger, a Philadelphia industrialist. As famed hunter Jim Corbett ...