National Geographic, May 31, 2012
The hand is where the mind meets the world. We humans use our hands to build fires and sew quilts, to steer airplanes, to write, dig, remove tumors, pull a rabbit out of a hat. The human brain, with its open-ended creativity, may be the thing that makes our species unique. But without hands, all the grand ideas we concoct would come to nothing but a very long to-do list.
The reason we can use our hands for so many things is their extraordinary anatomy. Underneath the skin, hands are an exquisite integration of tissues.