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The original was posted on /r/todayilearned by /u/yooolka on 2025-06-10 21:35:39+00:00.

Original Title: TIL Curt Richter found that rats placed in water drowned within 15 minutes—unless they were rescued once. After experiencing a brief rescue, those same rats swam for over 60 hours, driven by the hope of being saved again. This suggests that hope alone can push us beyond our limits.