Bogdan Onac
Cluj-Napoca geologists chart climate changes using bat guano cave deposits
A team of geologists from the Babes-Bolyai University of Cluj-Napoca is conducting a research project that uses guano deposits in several Romanian caves, some of them more than 10,000 years old, to determine the climate changes occurred in various geological periods.
Photo credit: (c) Babes-Bolyai University project website