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On the black hemisphere, Cassini Regio, the bulge bisects an area where people once upon a time went out in hoppers or rovers and blew the black dust away to make patterns out of exposed white ice. Anytime you can easily make such a contrast in the landscape, people have written out their thoughts for the universe to…
Spitz showed that early nurturing and stimulation are essential to child development, and he was not alone in this view. At the time, the field of psychology was dominated by the theory of "behaviorism," which proposed that all our actions, from the simplest smile to the most sophisticated chess move, are learned…
An early classic experiment by the Nobel Prize-winning embryologist Roger Sperry illustrates the principle perfectly. Sperry and a colleague took a tadpole and removed a tiny square of skin from the back. They removed another square, the same size, from the belly. They then regrafted the two squares, but each in the…