Award-winning authors Shar Levine and Leslie Johnstone have cooked up a science success in the kitchen and made a splash in the bathroom, all by showing kids how to transform their homes into exciting science labs. Next stop: the backyard, where earthworms, snails, flowers, and other plants and animals provide the perfect environment for budding ecologists to begin their study of nature. Whether they're testing a garden slug's slime to see how sticky...