guns germs and steel part 2

• 3 things all great civilizations have in common: advanced technology, large populations, a well organized work force
• pre-history- before things were written down
• the middle east was thriving
• 13,000 years ago-hunters/gatherers
• are there any hunters/gatherers today? yes
• where are they today? Papua, New Guinea 
• wild sago- pulp at the center of a tree which can be cooked (doesn't have many proteins or nutrients and has very high levels of natural sugars)
• barley and wheat are more nutritious than sago
• the middle east went through a drought that lasted more than a 1,000 years 
• animal herds died off
• Draa- a small village that is supposedly the oldest village in the world- 40-50 people living together- 11,500 years ago
• Draa had the first granary- the storing of grain
• plant domestication=farming