> When will we shift towards long-term, extensive trials before introducing another chemical in our life cycle? It's a curious question, how many eff-ups human

> When will we shift towards long-term, extensive trials before introducing another chemical in our life cycle? It's a curious question, how many eff-ups humanity needs to learn what's the optimal way to do something that's fairly new. Do we need to introduce and be forced to withdraw tens of substances? Hundreds? Thousands? How many failures until we can learn from them how to do this properly? How long did it take for aerospace industry?