Associated Press: Nesting in the sparkling sand, preening on the rocks and darting through the waters, the penguins on the southern tip of Africa are the ultimate crowd-pleaser. But crisis looms. Short of food, exposed to predators and the African sun, their numbers are plummeting. But salvation may rest in a simple manmade solution — housing for penguins. Dotting the shore of this penguin colony near the Cape of Good Hope are 200 nesting boxes, each big enough to house a happy family of …