Claw marks of an extinct creature have been discovered in a Spanish cave — a breakthrough

Scientists have been investigating caves in southeastern Spain. In one of them they found traces of the claws of a bear that went extinct some 28,000 years ago. Scientists say the discovery sheds new light on our knowledge of prehistory.

The cave bear — [Photo: Sergiodlarosa, CC BY-SA 3.0, via Wikimedia Commons]