THE STUFF OF NIGHTMARES Frank Lyko is a biologist at the German Cancer Research Center in Heidelberg with a narrow field of study: the marbled crayfish. But as Dr. Lyko and his colleagues report in a study published Feb. 5, there’s more to the six-inch crustacean than meets the eye. Until about 25 years ago, this species didn’t exist, The New York Times explains. One single, … [Read more...] about NOTW: Crayfish clones, goat caddies and canine candidates