the sinle biggest achievement was learning to cook food with fire.
FACT
without that the human brain would not have developed inthe way it has.
Not really questioning this, more a comment on the way it’s written! I could easily accept that the human brain wouldn’t have developed without using cooked food (at least from a physiological point of view). However, when someone puts “FACT” into a post (or says it out loud when talking) I immediately become suspicious and my level of trust in that opinion drops markedly.
Just needed to let someone out there know.
Anyway, beer and bread have both been mentioned. I reckon therefore that the exploitation of yeast has got to be quite a good achievement, closely followed by distillation!