By Editor 
Titanic, Chernobyl, forest fires and incorrectly sized trains, mistakes happen, but the consequences differ. Do we really learn by our mistakes or do we learn more by our successes. This next episode goes into this more.
Sources:
Britannica, Challenger disaster
Britannica, Titanic
Positive News – How the brain stops us learning from our mistakes – and what to do about it
Psychological Science, Do we really learn from our mistakes?
K J Foxhall