Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more . CNN  —  With distinctive two-fingered claws, the remains of a previously unknown species of dinosaur suggest it looked like a bizarre mix of sloth, giraffe and cult movie hero Edward Scissorhands, according to new research. Paleontologists unearthed the fossil in Mongolia’s Gobi Desert, and the find is unique because the sheath of one of the digits is