CHEYENNE, Wyo. (AP) — Scientists have cloned the first U.S. endangered species, a black-footed ferret duplicated from the genes of an animal that died over 30 years ago. The slinky predator...
A tiny ear bone belonging to a cave bear that died some 360,000 years ago has yielded the oldest genome not sourced from permafrost. The newly sequenced genome is offering new insights into the evolution of cave bears and how climate change can precipitate the emergence of entirely new species.