BLUF
Northrop Grumman has opted out of the US Air Force's NGAD competition, leaving it to Lockheed Martin and Boeing.Summary
KEY POINTS.
- During the Neolithic period, hunting and gathering gave way to settled communities that relied primarily on farming and domesticated animals.
- Males seem to have stayed in the same area.
- The early farmers were likely monogamous, had large families, and, enjoyed stable health and nutrition.