No.25 Universe (Prototype)

On July 9, 1968, four male rats and four female rats were put into space with no natural enemies, no diseases, no hunger, and no housing problems. They are Adam and Eve in this utopian world of 2.57 meters in length and width and 1.37 meters in height. They divide their territories, choose mates, mate, and multiply. After all the preparatory work was over, John Calhouns population decay experiment quietly started. No.25 Universe opens. On the 104th day of Universe Experiment 25, the first batch ...