Associated Press: Nesting in the sparkling sand, preening on the rocks and darting through the surf, the African penguins at Cape Town’s Boulders Beach are the ultimate crowd pleaser. But crisis looms. Short of food, exposed to predators and to the sun, their numbers are plummeting. Salvation may rest in a simple man-made solution — penguin housing. Dotting the shore of this penguin colony are 200 nesting boxes, each big enough to house a happy family of parents, eggs and chicks. The idea has …