2 events with tag "observation"
350 BC
ID: 5418
Aristotle studies wine - observes fermentation, notes wine's properties, discusses effect on body and mind
ID: 5418
1280
ID: 5082
Marco Polo describes 'great serpents' in Yunnan - 10-pace long creatures with jaws to swallow a man, two legs near head with claws, likely crocodiles mistaken for dragons
ID: 5082