Carved 20,000 years ago into a French cave floor, the world’s oldest 3D map may reveal not just rivers and hills — but the symbolic heartbeat of a prehistoric culture. The discovery, led by scientists ...

Pavlova is a Russian speleologist, or a scientist studying caves, and she was on a mission to map caves in the region. But, she needed the help of a local who knew the rocky caverns inside and out.

Using the information collected during that fieldwork, she is building a publicly accessible inventory of fluorescence fingerprints to help provide an additional layer of information to the ...