Could a giant fish be the missing link?

• Position: SCIENCE

Fossils of a scaly, 375-million-year-old creature may be a long-sought "missing link" in the evolution of some fishes from water to a life walking on land. A team of scientists led by Neil H. Shubin of the University of Chicago says they found several skeletons of the fossil fish in streambeds of the Canadian Arctic. The fossils have fins, scales, and other attributes of a fish four to nine feet long. But in front fins of the fish...