A lost bet and a sweet tooth led to the announcement this week of a new mammal named after a chocolate brand. Dubbed Kryoryctes cadburyi — as in Cadbury chocolate — the dinosaur-era mammal was roughly the size of a large cat, covered with quills, and toothless. A distant relative of today's spiny anteater, the species lived about 106 million years ago alongside dinosaurs in what is now Australia. The tale of how the low-slung creature came to be named after a candy company, however, begins about ten years ago in a rocky cove some 140 miles (220 kilometers) southwest...