"While at the ocean, a curious young girl goes searching for a seashell and finds an octopus friend instead. The encounter turns into an afternoon full of play and discovery. From eating, to napping, to playing, octopuses are just like us ... but are they really? Maybe not quite. For instance, when you spot an octopus, you might be tempted to shake its hand. Please don't. A friendly wave is just fine. "Hello, Octopus!" Here the sidebar explains, "All...