Cave-dwellers end 40-day adventure
USSAT-LES-BAINS, France: A group of 15 French volunteers on Saturday left a cave where they had stayed for 40 days, in an experiment probing the limits of human adaptability to isolation.
France General Midi Pyrées Etienne Koechlin Pierre Marie Lledo Institut Pasteur Lhuman Adaptation Institute
Source: bangkokpost.com