WHEN HOUSE CATS are anxious or frightened, their inner panther spurs them to seek higher ground, clambering up onto a bookshelf or atop a fridge, said Dr. Kelly Ballantyne, a veterinary behaviorist at Insight Animal Behavior Services in Chicago. Many owners—eager to spare their ceramics or plants from leaping felines—install […]

Photo: istockphoto.com A popular childhood experiment involves learning how to grow an avocado seed over a jar of water. Within a few weeks, thread-like roots appear, spreading throughout the jar, then a tender green sprout emerges from the top of the seed, and voila, an avocado seedling appears. Now the […]